Trigonometry Examples

$1 - 2 \sin (x) - 4 \cos (2 x) = 0$

Step 1

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

$x \approx 0.84806207 + 2 π n, 2.29353057 + 2 π n, \frac{7 π}{6} + 2 π n, \frac{11 π}{6} + 2 π n$ , for any integer $n$

Step 2