Trigonometry Examples

$\frac{1 - \cos (- \frac{4}{5})}{\sin (- \frac{3}{5})} = \frac{\sin (- \frac{3}{5})}{1 + \cos (- \frac{4}{5})}$

Step 1

The left side $- 0.53714218$ does not equal to the right side $- 0.33278731$ , which means that the given statement is false.

False