Trigonometry Examples

$\sin (\frac{1}{2} x) - 1 = - 0.75$

Step 1

Combine $\frac{1}{2}$ and $x$ .

$\sin (\frac{x}{2}) - 1 = - 0.75$

Step 2

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

$x \approx 0.50536051 + 4 π n, 5.77782479 + 4 π n$ , for any integer $n$

Step 3