Write the value of 2sin−121+cos−1(−21)

2sin−1(21)+cos−1(2−1)=2×6π+32π=3π+32π=33π=π

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Write the value of 2 sin^{-1} {1}{2} + cos^{-1} (-{1}{2})

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Write the value of $2 s i n^{- 1} \frac{1}{2} + co s^{- 1} (- \frac{1}{2})$

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Write the value of

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

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

= 2 \times \frac{π}{6} + \frac{2 π}{3}

= \frac{π}{3} + \frac{2 π}{3}

= \frac{3 π}{3}

= π

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Question Text	Write the value of $2 s i n^{- 1} \frac{1}{2} + co s^{- 1} (- \frac{1}{2})$
Answer Type	Text solution:1
Upvotes	150