Math, asked by gundewarshivkanta, 9 months ago

cos ( A + B ) - cos ( A - B ) =

Answers

Answered by divya6613

6

Answer:

hi friend

Step-by-step explanation:

cos ( a+b) cos (a- b)=cos^2a-sin^2b tan(x/3)

=(1-cosx)/(sinx)

I hope you understand

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