Math, asked by yashi684, 1 year ago

cos 72°cos 12°+sin72° sin12°

Answers

Answered by Naveenkumar21

5

use formula cos(A-B)=cosAcosB +sinAsinB. so answer is Cos(72-12) =cos60 =1/2. == I hope it can help you please follow me and Mark it brainleist

Naveenkumar21: please follow me and Mark it brainleist

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