Prove the following trignometric identities:
cosec θ√1−cos2θ=1
We know ,
So,
= (1/sinθ) sinθ
= 1
tan2θ cos2θ=1−cos2θ
Prove the following trigonometric identities:
(cosec θ+sin θ)(cosec θ−sin θ)=cot2θ+cos2θ
tan θ+1tan θ=sec θ cosec θ
cos2A+11+cot2A=1
(1−cos2 A) cosec2 A=1