Algebra Examples

$1 + \frac{\sin^{2} (x)}{\cos^{2} (x)}$

Step 1

Convert from $\frac{\sin^{2} (x)}{\cos^{2} (x)}$ to $\tan^{2} (x)$ .

$1 + \tan^{2} (x)$

Step 2

Rearrange terms.

$\tan^{2} (x) + 1$

Step 3

Apply pythagorean identity.

$\sec^{2} (x)$