Math, asked by dhruuv7763, 7 hours ago

Cos 72° cos 12° + sin 72° sin 12°

Answers

Answered by Jothi7605

0

Answer:

1/2

Step-by-step explanation:

Using compound angle formula ,

cos(A-B)=cosAcosB-sinAsinB

cos(72-12)

cos60

so ans is

1/2

Answered by akhil7425

0

Cos 72° cos 12° + sin 72° sin 12°

Answer : 1/2

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