Melhores podcasts sobre Trigonometry (2024)

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Q5. A 1.2 m tall girl spots a balloon moving with the wind in a horizontal line at a height of 88.2 m from the ground. The angle of elevation of the balloon from the eyes of the girl at any instant is ... 4:15

4y ago4:15

4:15

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

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Q4. The angle of elevation of a jet fighter from a point A on the ground is 60°. After a flight of 15 seconds , the angle of elevation changes to 30°. If the jet is flying at a speed of 720 km/hr, find ... 4:19

4y ago4:19

4:19

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

1
Q3. The angle of elevation of a jet plane from a point A on the ground is 60°. After a flight of 30 seconds, the angle of elevation changes to 30°. If the jet plane is flying at a constant height of 3600V3rn ... 4:11

4y ago4:11

4:11

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

1
Q2. From the top of a building 60 m high , the angles of depression of the top and bottom of a tower are observed to be 30° and 60°. Find the height of the tower. 3:37

4y ago3:37

3:37

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

1
Q1. From a window( h metres high above the ground) of a house in a street, the angle of elevation and depression of the top and the foot of another house on the opposite side of the street are θ and ... 3:05

4y ago3:05

3:05

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

1
Q6. A man standing on the deck of a ship, which is 10m above the water level, observes the angle of elevation of the top of a hill as 60°, and the angle of depression of the base of the hill as 30°. Find ... 3:00

4y ago3:00

3:00

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

1
Q5. An aeroplane when flying at a height of 3000 m from the ground passes vertically above another aeroplane at an instant when the angles of elevation of the two planes from the same point on the ground ... 3:54

4y ago3:54

3:54

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

1
Q4. A boy whose eye level is 1.3 m from the ground, spots a balloon moving with the wind in a horizontal line at some height from the ground. The angle of elevation of the balloon from the eyes of the ... 5:54

4y ago5:54

5:54

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

1
Q3. A round balloon of radius r subtends an angle α at the eye of the observer while the angle of elevation of its centre is β . Prove that the height of the centre of the balloon is (rsin β csc α /2) 2:40

4y ago2:40

2:40

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

1
Q2. The angle of elevation of a cloud from a point 60m above the surface of the water of a lake is 30° and the angle of dpression of it's shadow in water of lake is 60°. Find the height of the cloud from ... 3:11

4y ago3:11

3:11

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

1
Q1. The angle of elevation of a cloud from a point h meters above a lake is and the angle of depression of its reflection in the lake is β . prove that the height of the cloud is h (tan β + tan ... 5:17

4y ago5:17

5:17

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

1
Q6. From the top of a lighthouse, the angles of depression of two ships on the opposite side of it’s are observed to be α and β . If the height of the lighthouse be h m and the line joining the ships passes ... 3:10

4y ago3:10

3:10

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

1
Q5. Two ships are approaching a lighthouse from opposite directions. The angles of depression of the two ships from the top of a lighthouse are 30° and 45° . If the distance between the two ships is 100m ... 3:44

4y ago3:44

3:44

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

1
Q4. Observed from the top of a 75 m high lighthouse (from sea level), the angles of depression of two ships are 30° and 45°. If one ship is exactly behind the other on the same side of the lighthouse ... 3:01

4y ago3:01

3:01

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

1
Q3. A man on cliff observes a boat at an angle of depression of 30° which is approaching the shore to the point immediately beneath the observer with a uniform speed. Six minutes later, the angle of depression ... 4:43

4y ago4:43

4:43

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

1
Q2. The angles of elevation and depression of the top and bottom of a tower from the top of a building 60 m high are 30° and 60° respectively. Find the difference between the heights of the building and ... 3:31

4y ago3:31

3:31

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

1
Q1. The angle of elevation of an aeroplane from a point on the ground is 60°. After a flight of 15 seconds, the angle of elevation changes to 30°. If the aeroplane is flying at a constant height of 1500V3 ... 4:10

4y ago4:10

4:10

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

1
Q6. Two pillars of equal heights stand on either side of a road which is 100 m wide. At a point on the road between the pillars, the angles of elevation of the tops of the pillars are 60° and 30°. Find ... 3:45

4y ago3:45

3:45

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

1
Q5. From a point 0 on the ground, the angle of elevation of the top of a tower is 30° and that of the top of the flagstaff on the top of the tower is 60°. If the length of the flagstaff is 5 m, find the ... 3:19

4y ago3:19

3:19

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

1
Q4. The shadow of a tower standing on a level ground is found to be 30 m longer when the sun's altitude is 30°, than when it was 60°. Find the height of the tower. 3:34

4y ago3:34

3:34

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

1
Q3. A tower is 50 m high. Its shadow is x metres shorter when the sun's altitude is 45° than when it is 30°. Find the value of x. 2:51

4y ago2:51

2:51

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

1
Q2. The shadow of a tower , when the angle of elevation of the sun is 45°, is found to be 10 m longer than when the angle of elevation is 60°. Find the height of the tower. 3:44

4y ago3:44

3:44

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

1
Q1. If a 1.5 m tall girl stands at a distance of 3m from a lamp post and casts a shadow of length 4.5m on the ground then fmd the height of the lamp post. 2:45

4y ago2:45

2:45

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

1
Q5. If a tower 30 m high, casts a shadow 10V3 m long on the ground, then what is the angle of elevation of the sun? 1:56

4y ago1:56

1:56

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

1
Q4. A ladder 15 m long just reaches the top of a vertical wall. If the ladder makes an angle of 60° with the wall, find the height of the wall. 2:19

4y ago2:19

2:19

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

1
Q3. The length of a string between a kite and a point on the ground is 85 m. if the string makes an angle θ with the ground level such that tan θ = 15/8. Then find the height of the kite from the ground ... 2:50

4y ago2:50

2:50

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

1
Q2. A kite is flying , attached to a thread which is 165 m long. The thread makes angle of 30° with the ground. Find the height of the kite from the ground, assuming that there is no slack in the thread ... 2:11

4y ago2:11

2:11

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

1
Q1. A vertical pole stands on the level ground. From a point on the ground, 25 m away from the foot of the pole, the angle of elevation of its top is found to be 60°. Find the height of the pole. 2:07

4y ago2:07

2:07

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

1
Q4. Express each of the following in term of trigonometric ratios of angles between 0° and 45° . cos83° - sec76° 2:15

4y ago2:15

2:15

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

1
Q3. Express each of the following in term of trigonometric ratios of angles between 0° and 45° . sec67° + cosec58° 2:33

4y ago2:33

2:33

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

1
Q2. Express each of the following in term of trigonometric ratios of angles between 0° and 45° . tan65° + cot49° 2:19

4y ago2:19

2:19

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

1
Q1. Express each of the following in term of trigonometric ratios of angles between 0° and 45° . sin75° + cosec75° 2:30

4y ago2:30

2:30

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

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Q6. If A,B,C are angles of a ∆ABC, show that sin (B + C ) / (2) = cos A / 2 . 3:49

4y ago3:49

3:49

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

1
Q5. If A and B are acute angles such that sinA = cosB, prove that ( A + B) = 90°. 2:13

4y ago2:13

2:13

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

1
Q4. If sin (θ + 34 ) = cos and (θ + 34 ) is acute show that θ = 28 2:41

4y ago2:41

2:41

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

1
Q3. If sec5A = cosec(A - 30° ) , where 5A is an acute then find the value of A. 2:31

4y ago2:31

2:31

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

1
Q2. If tan2A = cot( A - 21° ), where 2A is an acute angle then find the value of A. 3:00

4y ago3:00

3:00

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

1
Q1. If sin3A = cos( A-10°) , where 3A is an acute angle then find the value of A. 2:57

4y ago2:57

2:57

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

1
Q4. Without using trigonometric tables, evaluate each of the following: sec’36° - cot’54° 2:07

4y ago2:07

2:07

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

1
q3. Without using trigonometric tables, evaluate each of the following: cosec’67° - tan’23° 2:20

4y ago2:20

2:20

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

1
Q2. Without using trigonometric tables, evaluate each of the following: cos’17° - sin’73° 2:04

4y ago2:04

2:04

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

1
Q1. Without using trigonometric tables, evaluate each of the following: sin’65° + sin’ 25° 2:24

4y ago2:24

2:24

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

1
Q4. Without using trigonometric tables, evaluate the following: cos’20° + cos’70° / sec’50° - cot’40° + 2cosec’58° - 2cot58° tan32° - 4tan13° tan37° tan45° tan53° tan77° 5:39

4y ago5:39

5:39

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

1
Q3. Evaluate: 2sin’63° + 1 + 2sin’27° / 3cos’17° - 2 + 3cos’73° 4:06

4y ago4:06

4:06

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

1
Q2. Evaluate: cos58° / sin32° + sin22° / cos68° - cos38° cosec52° / tan18° tan35° tan72° tan55° 6:22

4y ago6:22

6:22

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

1
Q1. Prove that: tan1° tan2° tan3° ... tan89° = 1 4:28

4y ago4:28

4:28

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

1
Q5. Without using trigonometric tables, prove that : cot12° cot38° cot52° cot60° cot78° = 1/ √3 4:24

4y ago4:24

4:24

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

1
Q4. Without using trigonometric tables, prove that: tan7° tan23° tan60° tan67° tan83° = √3 3:57

4y ago3:57

3:57

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

1
Q3. Without using trigonometric tables, prove that, tan48° tan23° tan42° tan67° = 1 3:46

4y ago3:46

3:46

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

1
Q2. Without using trigonometric tables, prove that: sec70° sin20° - cos20° cosec70° = 0 3:29

4y ago3:29

3:29

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||Por Shiksha Abhiyan

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