MEDIUM
10th Tamil Nadu Board
IMPORTANT
Earn 100

A building and a statue are in opposite side of a street from each other 35 m apart. From a point on the roof of building the angle of elevation of the top of the statue is 24° and the angle of depression of the base of the statue is 34°. Find the height of the statue. tan 24°=0.4452, tan 34°=0.6745  

Important Questions on Trigonometry

MEDIUM
10th Tamil Nadu Board
IMPORTANT

Prove that tan2θ-sin2θ=tan2θsin2θ.

MEDIUM
10th Tamil Nadu Board
IMPORTANT
Prove that sinA1+cosA=1-cosAsinA
MEDIUM
10th Tamil Nadu Board
IMPORTANT
Prove that 1+cot2θ1+cosecθ=cosecθ
MEDIUM
10th Tamil Nadu Board
IMPORTANT

Prove that secθ-cosθ=tanθsinθ

MEDIUM
10th Tamil Nadu Board
IMPORTANT
Prove that 1+cosθ1-cosθ=cosecθ+cotθ
MEDIUM
10th Tamil Nadu Board
IMPORTANT
Prove that secθsinθ-sinθcosθ=cotθ
MEDIUM
10th Tamil Nadu Board
IMPORTANT
Prove that sin2Acos2B+cos2Asin2B+cos2Acos2B+sin2Asin2B=1
MEDIUM
10th Tamil Nadu Board
IMPORTANT
If cosθ+sinθ=2cosθ, then prove that cosθ-sinθ=2sinθ