railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Trigonometry

ABC त्रिकोणामध्ये, सामान्य चिन्ह a + b + c = 2s आहे, तर \(Sin\left(\frac{A}{2}\right)\)चे मूल्य काय आहे?

1
\(\sqrt{\frac{s(s-a)}{bc}}\)
2
\(\sqrt{\frac{(s-b)(s-c)}{s(s-a)}}\)
3
\(\sqrt{\frac{(s-c)(s-a)}{ac}}\)
4
\(\sqrt{\frac{(s-b)(s-c)}{bc}}\)
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