Prove the following identity: [4] cos (x) sin(2x) cos(2x)cot

Last updated: 7/22/2022

Prove the following identity: [4] cos (x) sin(2x) cos(2x)cot (2x) = 2- cos(x)csc(2x). 2sin (x) cos(x) sin(2x) + sin(x)csc(2x)