Trigonometry Examples

$\sqrt{{(8 - 1)}^{2} + {(3 - 3)}^{2}}$

Step 1

Subtract $1$ from $8$ .

$\sqrt{7^{2} + {(3 - 3)}^{2}}$

Step 2

Raise $7$ to the power of $2$ .

$\sqrt{49 + {(3 - 3)}^{2}}$

Step 3

Subtract $3$ from $3$ .

$\sqrt{49 + 0^{2}}$

Step 4

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

$\sqrt{49 + 0}$

Step 5

Add $49$ and $0$ .

$\sqrt{49}$

Step 6

Rewrite $49$ as $7^{2}$ .

$\sqrt{7^{2}}$

Step 7

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

$7$