Trigonometry Examples

$\cos (30) = \frac{200}{x}$

Step 1

The exact value of $\cos (30)$ is $\frac{\sqrt{3}}{2}$ .

$\frac{\sqrt{3}}{2} = \frac{200}{x}$

Step 2

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

No solution

Step 3