Trigonometry Examples

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

Step 1

Apply the sine double-angle identity.

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

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$