Trigonometry Examples

$2 \sin (2 (x)) - 5 \sin (x + 2) = 0$

Step 1

Multiply $2$ by $x$ .

$2 \sin (2 x) - 5 \sin (x + 2) = 0$

Step 2

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

$x \approx 0.73251347 + 2 π n, 4.47039916 + 2 π n$ , for any integer $n$

Step 3