Question

[tex] cot - tan = 1 - 2 sin ^(2)
please answer​

Answer 1

Answer:

Step-by-step explanation:

LHS = tan-cot = sin/cos - cos/sin =

= (sin^2 - cos^2)/sin*cos = {sin^2-(1-sin ^2)}/sin*cos =

= (sin ^2+sin ^2-1)/sin*cos = 2sin^2-1/sin*cos = RHS

Proved