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Let f : (-1, 1) → B be a functions defined by f (x) = sin^-1(2x/(1 + x^2)) then f is both one- one and onto then B is in the

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Let f : (-1, 1) → B be a functions defined by f (x) = sin-1(2x/(1 + x2)) then f is both one- one and onto then B is in the

(a) (-π/4, π/4)

(b) (-π/2, π/2)

(c) [- π/4, π/4]

(d) [- π/2, π/2]

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The correct option (b) (-π/2, π/2)

Explanation:

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