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The angle of intersection between the cu...

The angle of intersection between the curves `y=[|sinx| +|cosx|] and x^(2)+y^(2) =10`, where [x] denotes the greatest integer `le x`, is

A

`tan^(-1)3`

B

`tan^(-1)(-3)`

C

`tan^(-1)sqrt(3)`

D

`tan^(-1)(1//sqrt(3))`

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