If x+y+z=0, |x|=|y|=|z|=2 and theta is a...

If `x+y+z=0, |x|=|y|=|z|=2 and theta` is angle between y and z, then the value of `cosec^(2)theta+cot^(2)theta` is equal to

A

`4//3`

B

`5//3`

C

`1//3`

D

1

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The correct Answer is:

B

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