If tan square θ =1-a square , prove that secθ+tan cubeθ cosecθ=(2-a square) raised to the power 3 by 2
Here is the link for the answer to your query:
https://www.meritnation.com/ask-answer/question/q1-if-cosec-sin-a3-sec-cos/trigonometric-functions/2428893
Follow solution 2 of above given link.
https://www.meritnation.com/ask-answer/question/q1-if-cosec-sin-a3-sec-cos/trigonometric-functions/2428893
Follow solution 2 of above given link.