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Precalculus Examples

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Evaluate arccos(0.9)

$\arccos (0.9)$

Step 1

Evaluate $\arccos (0.9)$ .

$0.45102681$

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

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