Objective question in Inverse trigonometric functions

α ≤ sin^-1x + tan^-1x + cos^-1x ≤ β then a) α =0, β = π b) α =0, β =~~frac{pi }{2} c) α = frac{pi }{2}, β =π d) None of these

1 Answers

Ans : [Ï€/4,3Ï€/4] so option d..

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