Question

if sin A + sin B = a and cos A+ cos B = b then sin (A +B) =? cos (A + B) = ?​

Answer 1

Answer:

$\huge\mathbb\fcolorbox{green}{lavenderblush}{✿Yøur-ᎪղՏωᎬя᭄♡ツ}$

Step-by-step explanation:

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