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Question 1 of 5

Mathematics > sets-relations-and-functions > Inverse Trigonometric Functions

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Question 1

Find the principal value of tan⁡−1(1)+cos⁡−1(−12)+sin⁡−1(−12)\tan^{-1}(1) + \cos^{-1}\left(-\frac{1}{2}\right) + \sin^{-1}\left(-\frac{1}{\sqrt{2}}\right).

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