A- B A+ B is equal to - Vidyadip

MCQ

$\frac{\sin A-\sin B}{\cos A+\cos B}$ is equal to

A
$\sin \left(\frac{A+B}{2}\right)$
B
$2 \tan ( A + B )$
C
$\cot \left(\frac{ A - B }{2}\right)$
D
$\tan \left(\frac{A-B}{2}\right)$

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Answer

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