Precalculus Examples

$\sin (\arccos (\frac{\sqrt{26}}{26}))$

Step 1

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt{26}$ as $26^{\frac{1}{2}}$ .

$\sin (\arccos (\frac{26^{\frac{1}{2}}}{26}))$

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