In a ∆ ABC, if a+3 b=3 c, then \sin \frac{ A }{2}=

\frac{a}{2} \sqrt{\frac{3}{b c}}

\frac{a}{3} \sqrt{\frac{2}{b c}}

\frac{2 a}{3} \sqrt{\frac{1}{b c}}

\frac{a b}{3} \sqrt{\frac{2}{c}}

TS EAMCET 06 May 2019 Shift 1 Solved Paper

Section: Mathematics

Question : 26 of 160

Marks: +1, -0

In a ∆ABC, if a+3b=3c, then sin‌

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