Trigonometry Examples

$\sqrt{(4) (5^{2})}$

Step 1

Raise $5$ to the power of $2$ .

$\sqrt{4 \cdot 25}$

Step 2

Multiply $4$ by $25$ .

$\sqrt{100}$

Step 3

Rewrite $100$ as $10^{2}$ .

$\sqrt{10^{2}}$

Step 4

Pull terms out from under the radical, assuming positive real numbers.

$10$