Trigonometry Examples

$\frac{\sin (a - b)}{\sin (a) \cos (b)} = 1 - \cot (a) \tan (b)$

Graph.

$\frac{\sin (a - b)}{\sin (a) \cos (b)} = 1 - \cot (a) \tan (b)$

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