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Let cot theta= - 5//12 where (pi)/(2) l...

Let `cot theta= - 5//12 ` where `(pi)/(2) lt theta lt pi.` Then the value of `sin theta` is

A

`- (12)/(13)`

B

`- (5)/(13)`

C

`(12)/(13)`

D

`(5)/(13)`

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