Math, asked by SUKHDEEPSINGH8706, 4 months ago

what is cos A= cos(a+b)
for 100 points question

Answers

Answered by Ikonikscenario7122

1

Answer: Compound-angle formulae. cos(A + B) = cos A cos B − sin A sin B. (4) cos(A − B) = cos A cos B + sin A sin B. (5

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Answered by Anonymous

0

: Compound-angle formulae. cos(A + B) = cos A cos B − sin A sin B. (4) cos(A − B) = cos A cos B + sin A sin B. (5

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