Trigonometry Examples

$a = \frac{1}{2} \cdot (b h)$ , $a = 18^{2}$ , $b = (h - 5)$

Step 1

Assume that angle $C = 90$ .

$C = 90$

Step 2

Unknown triangle.

Invalid

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$