Trigonometry Examples

$\sqrt{40^{2} + 81}$

Step 1

Raise $40$ to the power of $2$ .

$\sqrt{1600 + 81}$

Step 2

Add $1600$ and $81$ .

$\sqrt{1681}$

Step 3

Rewrite $1681$ as $41^{2}$ .

$\sqrt{41^{2}}$

Step 4

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

$41$