Question

# For $$\displaystyle \sin ^{-1}x+\cos^{-1}y+\sec^{-1}z\geq t^{2}-\sqrt{2\pi } t+3\pi$$, then the value of $$\displaystyle \cos ^{-1}(min\left \{ x,y,z \right \})$$ is,

A
0
B
π2
C
π
D
π3

Solution

## The correct option is D $$\displaystyle \pi$$Mathematics

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