Question

Sin A + sin b by Cos A + cos B equals to what

Answer 1

HOLA

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$\frac{sin}{cos} = \: tan \\ \\ \frac{sin \: a \: + \: sin \: b}{cos \: a \: + \: cos \: b} = \: 2tan$
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HOPE U UNDERSTAND ❤❤❤

Answer 2

tan A- tanB by 1+ tan A tan B