Prove that :sec square theta+ cot square(90-theta)= 2 cosec square(90-theta)-1 - Maths -

Question

Prove that :sec square theta+ cot square(90-theta)= 2 cosec
square(90-theta)-1

Pooja · Accepted Answer

Refer the following link :

https://www meritnation
com/ask-answer/question/prove-that-sec2a-cot2-90-a-2cosec2-90-a-1/introduction-to-trigonometry/2882375