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If|[cosx, sinx, cosx], [-sinx, cosx, sin...

If`|[cosx, sinx, cosx], [-sinx, cosx, sinx], [-cosx, -sinx, cosx]|=0`, then x=

A

`(2n+1)(pi)/(2), ninZ`

B

`(2n+1)(3pi)/(2), ninZ`

C

`(2n+1)(pi)/(4), ninZ`

D

`(2n+1)pi, ninZ`

Text Solution

Verified by Experts

The correct Answer is:
A
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