Trigonometry Examples

$\frac{\cos^{5} (a) - \sin^{4} (a) \cos (a)}{\cos^{2} (a) - \sin^{2} (a)} - \sin (a)$

Step 1

Graph.

$\frac{\cos^{5} (a) - \sin^{4} (a) \cos (a)}{\cos^{2} (a) - \sin^{2} (a)} - \sin (a)$

Step 2