Evaluate the following: sec-1(sec \(\frac \pi 3\)) – InterviewSolution

1.

Evaluate the following: sec-1(sec \(\frac \pi 3\))

Answer»

As sec^–1(sec x) = x

Provided x ∈ [0, π] - \(\{\frac \pi 2\}\)

∴ we can write sec^-1sec\((\frac{2\pi}{3})\) as \((\frac{2\pi}{3}).\)

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