Trigonometry Examples

$\frac{\cot^{2} (45 - x) - 1}{\cot^{2} (45 - x) + 1} = \sin (2 x)$

Step 1

The provided equation is not an identity.

$\frac{\cot^{2} (45 - x) - 1}{\cot^{2} (45 - x) + 1} = \sin (2 x)$ is not an identity