Find the value of cos -1 1 - 2 - 2sin -1 1 - 2

The value of cos^ 1 ( 1 / 2 #160;) + 2sin^ 1 ( 1 / 2 #160;) =π #160; 3 +2·π #160; 6 =π #160; 3 +π #160; 3 = 2π #160; 3 ...

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Property 2

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Question

Find the value of ${cos}^{- 1} (\frac{1}{2}) + {2 sin}^{- 1} (\frac{1}{2})$

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2 s i n^{- 1} \frac{1}{2} + c o s^{- 1} (- \frac{1}{2})

{cos}^{- 1} \frac{1}{2} + 2 {sin}^{- 1} \frac{1}{2}

{cos}^{- 1} (\frac{1}{2}) - 2 {sin}^{- 1} (- \frac{1}{2}) .

{cos}^{- 1} (\frac{1}{2}) + 2 {sin}^{- 1} (\frac{1}{2}) = \frac{2 π}{3}

\begin{matrix} {cos}^{- 1} \frac{1}{2} + 2 {sin}^{- 1} \frac{1}{2} \end{matrix}

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