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Question Number 143923 by Sravanth last updated on 19/Jun/21

$$\mathrm{What}\mathrm{is}\mathrm{the}\mathrm{value}\mathrm{of}\left[{\sin }^{-1}\left(\sin \left(\frac{2\pi }{3}\right)\right)\right]?$$

Commented by mr W last updated on 19/Jun/21

$${\sin }^{-1}\left(\sin \left(\frac{2\pi }{3}\right)\right)=\frac{\pi }{3}$$

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