What is cos 10° cos 8° − sin 10° sin 8° equal to?

Anoroah asked Jan 17, 2023

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10 votes

Anoroah asked Jan 17, 2023

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9 votes

Answer:

Explanation:

cos 10° cos 8° − sin 10° sin 8° = cos(10° + 8°) = cos(18°)

Tuxer answered Jan 21, 2023

by Tuxer

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