Trigonometry Examples

$\sqrt{81 + 225}$

Step 1

Add $81$ and $225$ .

$\sqrt{306}$

Step 2

Rewrite $306$ as $3^{2} \cdot 34$ .

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Step 2.1

Factor $9$ out of $306$ .

$\sqrt{9 (34)}$

Step 2.2

Rewrite $9$ as $3^{2}$ .

$\sqrt{3^{2} \cdot 34}$

$\sqrt{3^{2} \cdot 34}$

Step 3

Pull terms out from under the radical.

$3 \sqrt{34}$

Step 4

The result can be shown in multiple forms.

Exact Form:

$3 \sqrt{34}$

Decimal Form:

$17.49285568 \dots$

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