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Trigonometry Examples

Popular Problems

Find the Exact Value arccos(-0.4)

$\arccos (- 0.4)$

Step 1

Evaluate $\arccos (- 0.4)$ .

$1.98231317$

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

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