Buktikan : sin^2 x / 1-cos x = 1+cos x
Matematika
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Pertanyaan
Buktikan : sin^2 x / 1-cos x = 1+cos x
1 Jawaban
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1. Jawaban BLUEREAPER
sin^2 x /(1-cosx) = (1+cosx)
sin^2 x = (1-cosx)(1+cosx)
sin^2 x = 1 - cos^2 x
sin^2 x = sin^2 x