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Precalculus Examples

Popular Problems

Find the Exact Value 4sin(90)

$4 \sin (90)$

Step 1

The exact value of $\sin (90)$ is $1$ .

$4 \cdot 1$

Step 2

Multiply $4$ by $1$ .

$4$

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

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