Practicing Success
Practicing Success
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Domain of $f(x)=\sin^{-1}(\cot^{-1}x)$ is |
$[- \cot 1, \cot 1]$ $\left[\frac{π}{4},\frac{3π}{4}\right]$ $[0, \cot 1]$ none of these |
none of these |
$-1≤\cot^{-1}x≤1$ i.e. $0≤ \cot^{-1}x≤1$ ⇒ $x≥ \cot 1$ |
