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In triangle ABC, sin((A)/(2))sin((C)/(2)...

In `triangle ABC, sin((A)/(2))sin((C)/(2))=sin((B)/(2))` and '2s' is the perimeter of the triangle. Then the value of x is

A

2b

B

b

C

3b

D

4b

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The correct Answer is:
A
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TARGET PUBLICATION-TRIGONOMETRIC FUNCTIONS -Competitive Thinking
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  10. If c^(2)=a^(2) +b^(2), then 4s(s-a)(s-b)(s-c) is equal to

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  16. Let PQR be a triangle of area Delta with a = 2, b = 7/2 and c =5/2, wh...

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