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What is Cos (inverse) 1/2 ?

1 Answer

Sep 7, 2015

${cos}^{- 1} (\frac{1}{2}) = \frac{π}{3}$ $cos^-1 (1/2)= pi/3$

Explanation:

${cos}^{- 1} (\frac{1}{2})$ $cos^-1 (1/2)$ means an angle measure whose cosine is $\frac{1}{2}$ $1/2$ . Such an angle is $\frac{π}{3}$ $pi/3$

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