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If A+B+C=180^(@) " then " sin A + sin B+...

If `A+B+C=180^(@) " then " sin A + sin B+ sin C = `

A

` 4 sin""(A)/(2) sin""(B)/(2) cos ""(C)/(2) `

B

`4cos""(A)/(2)cos""(B)/(2)cos""(C)/(2)`

C

`4 sin""(A)/(2)*cos""(B)/(2)*cos""(C)/(2)`

D

`4 sin""(A)/(2) cos""(B)/(2)sin""(C)/(2)`

Text Solution

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The correct Answer is:
B
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DIPTI PUBLICATION ( AP EAMET)-TRIGONOMETRIC RATIOS AND IDENTITIES -EXERCISE 1 E ( TRIGONOMETRIC IDENTITIES )
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