Math, asked by pratapchnayak88, 7 months ago

cosA.cosB-sinA.sinB=?

Answers

Answered by charanyagarla

1

Answer:

Cos (A+B) = CosA. CosB- SinA. SinB

Answered by Nehal1705

1

cosA.cosB-sinA.sinB= cos(A+B)

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