Trigonometry Examples

$\frac{π}{3} (x) = 2 \sin (x) + \cos (3 x)$

Step 1

Combine $\frac{π}{3}$ and $x$ .

$\frac{π x}{3} = 2 \sin (x) + \cos (3 x)$

Step 2

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

$x \approx - 1.65739547, - 0.4006682, 0.7244781, 1.39232712, 2.2746539$

Step 3