In any (△ABC), the value of (\sin \left( \frac{A + B}{2} \ri... | Mathematics | SolveeIt | Solveeit

Today, August 24

Question

In any $△ABC$ , the value of $\sin \left( \frac{A + B}{2} \right)$ is

A

$\sin \left( \frac{C}{2} \right)$

B

$\cos \left( \frac{C}{2} \right)$

C

$\sin \left( \frac{A-B}{2} \right)$

D

$\cos \left( \frac{A-B}{2} \right)$

Answer

$\cos \left( \frac{C}{2} \right)$

Explanation

Solution

The correct option is (B): $\cos \left( \frac{C}{2} \right)$