Trigonometry Examples

$11^{2} + x^{2} = 13^{2}$

Step 1

Raise $11$ to the power of $2$ .

$121 + x^{2} = 13^{2}$

Step 2

Raise $13$ to the power of $2$ .

$121 + x^{2} = 169$

Step 3

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

$x \approx - 6.92820323, 6.92820323$

Step 4