Math, asked by sunil143, 1 year ago

it is right to say cos (60-30) =cos60•cos30+ sin60•sin30?

Answers

Answered by abhishek1210

4

yes this is right due to a formula of cos(a-b)

Answered by dawatamang11

8

Yes its right to saycos(60-30)=cos60cos30+sin60sin30

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