Trigonometry Examples

${(\sqrt{21})}^{3}$

Step 1

Rewrite ${\sqrt{21}}^{3}$ as $\sqrt{21^{3}}$ .

$\sqrt{21^{3}}$

Step 2

Raise $21$ to the power of $3$ .

$\sqrt{9261}$

Step 3

Rewrite $9261$ as $21^{2} \cdot 21$ .

Tap for more steps...

Step 3.1

Factor $441$ out of $9261$ .

$\sqrt{441 (21)}$

Step 3.2

Rewrite $441$ as $21^{2}$ .

$\sqrt{21^{2} \cdot 21}$

$\sqrt{21^{2} \cdot 21}$

Step 4

Pull terms out from under the radical.

$21 \sqrt{21}$

Step 5

The result can be shown in multiple forms.

Exact Form:

$21 \sqrt{21}$

Decimal Form:

$96.23408959 \dots$

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