Math, asked by abhiahuja4619, 9 months ago

is cosA-cosB=2 sin(A+B/2) sin(B-A/2) instead of cosA-cosB=-2 sin(A+B/2) sin(A-B/2)

Answers

Answered by ankitannu2020

0

Answer:

plz plz write itbin proper msnner

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