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A vector makes an angle of pi/4 with ...

A vector makes an angle of `pi/4` with each of `x-a xi s` and `y-a xi sdot` Find the angle made by it with the z-axis.

A

`pi/4`

B

`pi/3`

C

`pi/2`

D

None of these

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The correct Answer is:
C
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VMC MODULES ENGLISH-THREE DIMENSIONAL GEOMETRY -LEVEL-1
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