Trigonometry Examples

$\sqrt{{(- 10 + 10)}^{2} + {(- 66)}^{2}}$

Step 1

Add $- 10$ and $10$ .

$\sqrt{0^{2} + {(- 66)}^{2}}$

Step 2

Raising $0$ to any positive power yields $0$ .

$\sqrt{0 + {(- 66)}^{2}}$

Step 3

Raise $- 66$ to the power of $2$ .

$\sqrt{0 + 4356}$

Step 4

Add $0$ and $4356$ .

$\sqrt{4356}$

Step 5

Rewrite $4356$ as $66^{2}$ .

$\sqrt{66^{2}}$

Step 6

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

$66$