Tentukan (Tan alfa - beta) jika Tan alfa =1/2 Tan beta =1/3
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Pertanyaan
Tentukan (Tan alfa - beta) jika Tan alfa =1/2 Tan beta =1/3
1 Jawaban
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1. Jawaban Jawer17
tan(A - B) = (tanA - tanB)/(1 + tanA tanB)
= (1/2 -1/3)/(1 - (1/2)(1/3))
= (1/6) / (1 - (1/6))
= (1/6) / (5/6)
= (1/6)(6/5)
= 1/5