Get Answers to all your Questions

header-bg qa

Prove that 1 − sin 2 θ/ cos 2θ = 1.

Answers (1)

best_answer

Given- $\frac{1 - \sin^2 \theta}{\cos^2 \theta}$

Using the identity, $\sin^2 \theta + \cos^2 \theta = 1 \Rightarrow 1 - \sin^2 \theta = \cos^2 \theta$

So, $\frac{1 - \sin^2 \theta}{\cos^2 \theta} = \frac{\cos^2 \theta}{\cos^2 \theta} = 1$

Posted by

Saniya Khatri

View full answer