1 + 2 sin x cos x / sin x + cos x = sin x cos x
Matematika
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Pertanyaan
1 + 2 sin x cos x / sin x + cos x = sin x cos x
1 Jawaban
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1. Jawaban Ghinashoda
1 + 2 sin x cos x / sin x + cos x = sin x cos x
1 + 2sinxcosx = 1 + 2sinxcosx kali sinx + cosx
sinx + cosx sinx + cosx sinx + cosx
= (1 + 2sinxcosx)(sinx + cosx)
(sin²x + cs²x) + 2sinxcosx
= (1 + 2sinxcosx)(sinx + cosx)
1 + 2sinxcosx
= sinx + cosx terbukti