Math, asked by dshashank51, 1 year ago

a) Prove geometrically that cos (A+B) = cos A cos B - sin A sin B

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Answered by khushi2622

3

Answer:

Heyaa

Baby its a formula not a question

Answered by Anonymous

0

$\large{ \underline{ \mathtt{Your \ Answer}}}$

cos (A+B) = cos A cos B - sin A sin B

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