-cos-112-2sin-112- is equal to

Cos^ 112+2sin^ 112 =π3+2sin^ 112=π3+2π6=2π3 nbsp; ...

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Definite Integrals

.cos-112+2sin...

Question

$\begin{matrix} {cos}^{- 1} \frac{1}{2} + 2 {sin}^{- 1} \frac{1}{2} \end{matrix}$ is equal to

\begin{matrix} \frac{π}{4} \end{matrix}

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\begin{matrix} \frac{π}{6} \end{matrix}

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\begin{matrix} \frac{π}{3} \end{matrix}

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\begin{matrix} \frac{2 π}{3} \end{matrix}

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