Prove that `(sintheta-costheta+1)/(sintheta+costheta-1)=1/(sectheta-tantheta)`, using the identity
Channel: Doubtnut
Date: 2020-07-05

Prove that `(sintheta-costheta+1)/(sintheta+costheta-1)=1/(sectheta-tantheta)`, using the identity `sec^2theta=1+tan^2theta`