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If 0lt= thetalt=pi and the system of equ...

If `0lt= thetalt=pi` and the system of equations x+(sin`theta)y- (costheta) z =0, (cos theta ) x-y+z=0, (sin theta) x+y-z=0` has a non -trivial solution then `theta` is

A

`(2pi)/(3)`

B

`(3pi)/(4)`

C

`(5pi)/(4)`

D

`(pi)/(4)`

Text Solution

Verified by Experts

The correct Answer is:
D
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