buktikan identitas trigonometri berikut. (cosec x + cotan x ) (1 - cos x ) = sin x
Matematika
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Pertanyaan
buktikan identitas trigonometri berikut.
(cosec x + cotan x ) (1 - cos x ) = sin x
(cosec x + cotan x ) (1 - cos x ) = sin x
1 Jawaban
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1. Jawaban zuga
(1/sin x+ cos x/sin x)(1-cos x)
(1+cos x)/sin x . (1-cos x)
(1-cos^2 x) / sin x
sin^x / sin x
sin x
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