Math, asked by shantibhushanmishra3, 9 months ago

what is cosA-cosB please tell

Answers

Answered by BRAINLYARMY001

1

Answer:

hii

your answer is here !

Step-by-step explanation:

cosA − cosB = 2 sin.

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Answered by Anonymous

0

Step-by-step explanation:

CosA - CosB

-2 Sin(A+B)/2*Sin(A-B)/2

Anonymous: hii

Anonymous: Hy

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