Teaching HSSC TGT 2023 Mock Test (Latest Pattern) Mathematics Relations and Functions Inverse of a Function
Let f ∶ [-π/2, π/2] → R be given by f(x) = tan x. Then f–1(1) is
1
\(\frac{\pi}{4}\)
2
{nπ + \(\frac{\pi}{4}\) ∶ n ∈ Z}
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does not exist
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none of these
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Not Attempted