Trigonometry Examples

$\cos^{2} (x) x = 1$

Step 1

Reorder factors in $\cos^{2} (x) x$ .

$x \cos^{2} (x) = 1$

Step 2

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

$x \approx 2.29226938, 4.20283806, 5.16786551, 7.47965635, 8.21047717, 10.68466098, 11.29766076$

Step 3