Algebra Examples

$\sin (2 \cdot \frac{π}{4})$

Step 1

Cancel the common factor of $2$ .

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Step 1.1

Factor $2$ out of $4$ .

$\sin (2 \cdot \frac{π}{2 (2)})$

Step 1.2

Cancel the common factor.

$\sin (2 \cdot \frac{π}{2 \cdot 2})$

Step 1.3

Rewrite the expression.

$\sin (\frac{π}{2})$

$\sin (\frac{π}{2})$

Step 2

The exact value of $\sin (\frac{π}{2})$ is $1$ .

$1$

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