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sin alpha=(12)/(13) (0 lt alpha lt (pi)/...

`sin alpha=(12)/(13) (0 lt alpha lt (pi)/(2)r)` `cos beta=-(3)/(5)(pi lt beta lt (3 pi)/(2))` then `sin (alpha+beta)` is

A

`-(56)/(65)`

B

`(16)/(65)`

C

`(56)/(65)`

D

`-(16)/(65)`

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