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The angle of intersection of the curves ...

The angle of intersection of the curves `y=[|sin x|+|cos x|]` and `x^2+y^2=5` where [] denotes the greatest integer function is

A

`pi//2`

B

`pi//4`

C

`tan^-1 (2)`

D

`tan^-1 (1/2)`

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The correct Answer is:
C
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