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In Delta ABC, (cos((B-C)/2))/(cos (A/2))...

In `Delta ABC, (cos((B-C)/2))/(cos (A/2))=`

A

`(b-c)/a`

B

`(b+c)/a`

C

`a/(b-c)`

D

`a/(b+c)`

Text Solution

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The correct Answer is:
B
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MARVEL PUBLICATION-TRIGONOMETRIC FUNCTIONS-MULTIPLE CHOICE QUESTIONS - PART - B : MASTERING THE BEST
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