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4 sin 10° cos 20° cos 40° = 1/2

2 comments

Buktikan bahwa:

4 sin 10° cos 20° cos 40° = ½

Jawab:

4 sin 10° cos 20° cos 40° = ½

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2 comments for "4 sin 10° cos 20° cos 40° = 1/2"

Anonymous December 4, 2022 at 9:35 PM Delete Comment
Dapet cos 40° yg depan itu darimana ya?
Anonymous December 5, 2022 at 10:52 AM Delete Comment
dikalikan cos 40 ya