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The angle of intersection between the cu...

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

A

`tan^(-1)3`

B

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

C

`tan(-1)sqrt3`

D

`tan^(-1)(1/sqrt3)`

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A, B
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