sin 30°.cos 60°+cos 30°.Sin 60° tolong jawab pake cara
Matematika
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Pertanyaan
sin 30°.cos 60°+cos 30°.Sin 60° tolong jawab pake cara
1 Jawaban
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1. Jawaban novi101121novi
Sin 30°.cos 60°+ cos 30°.Sin 60°
= 1/2 . 1/2 + 1/2 √3 . 1/2√3
= 1/4 + 1/4√9
= 1/4 + 1/4.3
= 1/4 + 3/4
= 4/4
= 1
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