nilai cos(75) - cos(105) / sin(15) + sin(105) =
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putri5143
Pertanyaan
nilai cos(75) - cos(105) / sin(15) + sin(105) =
1 Jawaban
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1. Jawaban PermadiPutraAmin
cos 75 - cos 105 / sin 15 + sin 105
=-cos 30 / sin 120
=-1/2√3 / sin 60
=-1/2√3 / 1/2√3
=-1