Recent questions in Trigonometry

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Learn Trigonometry in easy way Watch this video std 10th

asked Apr 9, 2023 in Trigonometry by Doubtly (98.9k points)

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1 answer 281 views

A kite is flying at a height of 60 m above the ground. The string attached to the kite is tied at the ground. It makes an angle of 60° with the ground.

asked Oct 1, 2021 in Trigonometry by Doubtly (98.9k points)

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1 answer 184 views

A storm broke a tree and the treetop rested 20 m from the base of the tree, making an angle of 60° with the horizontal. Find the height of the tree.

asked Oct 1, 2021 in Trigonometry by Doubtly (98.9k points)

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1 answer 161 views

Two poles of heights 18 metre and 7 metre are erected on a ground. The length of the wire fastened at their tops in 22 metre

asked Oct 1, 2021 in Trigonometry by Doubtly (98.9k points)

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1 answer 239 views

Two buildings are facing each other on a road of width 12 metre. From the top of the first building, which is 10 metre high, the angle of elevation

asked Oct 1, 2021 in Trigonometry by Doubtly (98.9k points)

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1 answer 218 views

From the top of a lighthouse, an observer looking at a ship makes angle of depression of 60°. If the height of the lighthouse is 90 metre

asked Oct 1, 2021 in Trigonometry by Doubtly (98.9k points)

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1 answer 190 views

A person is standing at a distance of 80m from a church looking at its top. The angle of elevation is of 45°. Find the height of the church

asked Oct 1, 2021 in Trigonometry by Doubtly (98.9k points)

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1 answer 126 views

proove that tan theta\sec theta - 1= tan theta + sec theta + 1/ tan theta + sec theta - 1}

asked Sep 30, 2021 in Trigonometry by Doubtly (98.9k points)

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1 answer 143 views

Prove That: Sec 4 a ( 1 − Sin 4 a ) − 2 Tan 2 a = 1

asked Sep 30, 2021 in Trigonometry by Doubtly (98.9k points)

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1 answer 137 views

Prove That: Tan a ( 1 + Tan 2 a ) 2 + Cot a ( 1 + Cot 2 a ) 2 = Sin a Cos a

asked Sep 30, 2021 in Trigonometry by Doubtly (98.9k points)

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1 answer 173 views

If tanθ+ 1/tanθ =2 thenshow that tan ^2 θ+ 1/ tan^2θ=2

asked Sep 30, 2021 in Trigonometry by Doubtly (98.9k points)

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1 answer 92 views

proove that viii. } secθ+tanθ=cosθ/(1−sinθ)

asked Sep 30, 2021 in Trigonometry by Doubtly (98.9k points)

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1 answer 97 views

Proove that vii. sin^4 θ – cos^4 θ = 1 – 2 cos^2 θ

asked Sep 30, 2021 in Trigonometry by Doubtly (98.9k points)

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1 answer 115 views

prove that vi ) 1/secθ−tanθ=secθ+tanθ

asked Sep 30, 2021 in Trigonometry by Doubtly (98.9k points)

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1 answer 108 views

proove that v. cot θ + tan θ =cosec θ. sec θ

asked Sep 30, 2021 in Trigonometry by Doubtly (98.9k points)

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1 answer 101 views

proove that iv. (sec θ – cos θ) (cot θ + tan θ)= tan θ. sec θ

asked Sep 30, 2021 in Trigonometry by Doubtly (98.9k points)

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1 answer 97 views

Prove that √1-sinθ/1+sinθ=secθ−tanθ

asked Sep 30, 2021 in Trigonometry by Doubtly (98.9k points)

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1 answer 108 views

prove that cos^2 θ (1+ tan2 θ) = 1

asked Sep 30, 2021 in Trigonometry by Doubtly (98.9k points)

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1 answer 92 views

prove that sin^2θ/cosθ+cosθ=secθ

asked Sep 30, 2021 in Trigonometry by Doubtly (98.9k points)

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1 answer 154 views

If tan θ = 1, then find the value of sinθ+ cosθ /secθ+cosecθ

asked Sep 30, 2021 in Trigonometry by Doubtly (98.9k points)

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