Sin 60° × cos 30° + cos 60° × sin 30°
Matematika
Ayuvirgan27
Pertanyaan
Sin 60° × cos 30° + cos 60° × sin 30°
1 Jawaban
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1. Jawaban Anonyme
TriGonoMetRi
sin a cos b + cos a sin b = sin (a + b)
•••
sin 60° cos 30° + cos 60° sin 30°
= sin (60° + 30°)
= sin 90°
= 1