# Prove that --(cosec-sec)(cot-tan)=(cosec+sec)(sec*cosec-2)There is a theta after every trignometric term. I tried solving the lhs and rhs seperately but they were not coming out to be equal.Please help me answer this question. And also how does one go about proving such questions? Thanks in advance

Jitender Singh IIT Delhi
7 years ago
Ans:
Hello Student,














Hence proved.