$\sec^2\theta - \tan^2\theta$ equals

$\sec^2\theta - \tan^2\theta$ equals
  1. $1$
  2. $0$
  3. $\sin^2\theta$
  4. $\cos^2\theta$

Solution

From identity.

Asked in: MH-SSC-9

Practice more Trigonometry questions on Aicharya