Trigonometry Examples

$\cos (x) = \frac{1}{3} \cdot \sin (90 - x)$

Step 1

Combine $\frac{1}{3}$ and $\sin (90 - x)$ .

$\cos (x) = \frac{\sin (90 - x)}{3}$

Step 2

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

$x \approx 1.36116202 + π n$ , for any integer $n$

Step 3