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Precalculus Examples

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Find the Exact Value arccos(-0.8090)

$\arccos (- 0.809)$

Step 1

Evaluate $\arccos (- 0.809)$ .

$2.51324521$

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

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