Precalculus Examples

$2 \sin (x) = 1 - 2 \cos (x)$

Step 1

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

$x \approx 1.99482736 + 2 π n, 5.85915426 + 2 π n$ , for any integer $n$

Step 2