Trigonometry Examples

$\frac{1}{\cos (x)} = - \frac{3}{2}$

Step 1

Convert from $\frac{1}{\cos (x)}$ to $\sec (x)$ .

$\sec (x) = - \frac{3}{2}$

Step 2

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

$x \approx 2.30052398 + 2 π n, 3.98266132 + 2 π n$ , for any integer $n$

Step 3