Prove that  `(cos(90^(@)+theta)sec(-theta)tan(180^(@)-theta))/(sec(
Channel: Doubtnut
Date: 2020-05-24

Prove that  `(cos(90^(@)+theta)sec(-theta)tan(180^(@)-theta))/(sec(360^(@)-theta)sin(180^(@)+theta)cot(90^(@)-theta))=-1`