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Solve the inequality of 1. tan^2(arc sin x) > 1 2. tan^(-1) 2x >= 2tan ^(-1) x

Solve the inequality of
1. tan^2(arc sin x) > 1 
2. tan^(-1) 2x >= 2tan ^(-1) x

Grade:12th pass

1 Answers

Deepak Kumar Shringi
askIITians Faculty 4404 Points
5 years ago
as tan -1 is a increasing function
for 2ndsimply write 2x> 2x/1-x^2
x (-infinity,-1) U (0,1)

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