Hitung nilai 2 sin 52 1/2 cos 7 1/2=
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Hitung nilai 2 sin 52 1/2 cos 7 1/2=
1 Jawaban
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1. Jawaban DB45
2 sin 52 1/2 cos 7 1/2 =
= sin (52 1/2 + 7 1/2) + sin (52 1/2 - 7 1/2)
= sin 60 + sin 45
= 1/2 √3 + 1/2 √2
= 1/2 (√3 + √2)
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