Question

In a triangle $ABC,BC=3,AC=4$ and $AB=5$. The value of $\sin A+\sin 2B+\sin 3C$ equals

• A. $\frac{24}{25}$
• B. $\frac{14}{25}$
• C. $\frac{64}{25}$
• D. None of these

Answer 1

Answer: (B)

Correct answer is (b) $\frac{14}{25}$