Sin 30° dikali cos 60° ditambah Sin 45° dikali cos 45° =
Matematika
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Pertanyaan
Sin 30° dikali cos 60° ditambah Sin 45° dikali cos 45° =
2 Jawaban
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1. Jawaban Anonyme
Kelas 10 Matematika
Bab Teorema Pythagoras
(sin 30° . cos 60°) + (sin 45° . cos 45°)
= (1/2 . 1/2) + (1/2 √2 . 1/2 √2)
= 1/4 + 2/4
= 3/4 -
2. Jawaban kambingtidur22p2bvw8
1/2 x 1/2 + 1/2√2 x 1/2√2
=1/4 + 1/2 = 3/4