Math, asked by suchita46, 9 months ago

cos(A-B)=cosA.cosB+sinA.sinB ,A=60°,30° .

Answers

Answered by Anonymous

5

Cos(60 - 30)

cos30

sqrt3/2

thanks

Answered by viratpatel

1

Answer:

Cos (60 - 30) (cos 90-theta)=sin theta

sin 30

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