The range of Sin − 1 x + Cos − 1 x + Tan − 1 x is, ( 0 , 2 π ), ( 0 , π ], [ 4 π , 4 3 π ], [ 0 , π ]

The range of Sin − 1 x + Cos − 1 x + Tan − 1 x is

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The range of $\operatorname{Sin}^{-1} x+\operatorname{Cos}^{-1} x+\operatorname{Tan}^{-1} x$ is

MathematicsFunctionsAP EAMCETAP EAMCET 2017 (26 Apr Shift 2)

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The correct answer is: $\left[\frac{\pi}{4}, \frac{3 \pi}{4}\right]$

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