If A= 3 4 , then 32 A 2 5 A 2 equals
Mathematics · JEE Main · NTA Exams — Trigonometry
If \(\cos A=\frac{3}{4}\), then \(32 \sin \frac{A}{2} \cdot \sin \frac{5 A}{2}\)equals
- 7
- 8
- 11
- None of these
Answer
(C) 11
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