Trigonometry Examples

$3 \sin (a) \cos (a) = \sin (a) \cos (a) + \sin (2 a)$

Step 1

Graph each side of the equation. The solution is the x-value of the point of intersection.

$a \approx 0.1, - \frac{1}{5}, \frac{1}{5}, 0.3, - \frac{2}{5}, \frac{2}{5}, - \frac{1}{2}$

Step 2