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In any triangle ABC,c^(2)sin2B+b^(2)sin2...

In any triangle `ABC,c^(2)sin2B+b^(2)sin2C` is equal to a)`(Delta)/(2)` b)`Delta` c)`2Delta` d)`4Delta`

A

`(Delta)/(2)`

B

`Delta`

C

`2Delta`

D

`4Delta`

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