minta bantuannya sih
Matematika
fahrul045
Pertanyaan
minta bantuannya sih
1 Jawaban
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1. Jawaban prianandalbs
f(x) = (1 + cos x) / sin x
turunan f(x) = {(-sin x)(sin x) - (1+cos x)(cos x)}/sin² x
turunan f(x) = (-sin² x - cos x - cos²x)/sin²x
turunan f(x) = (- 1 - cos x)/(1 - cos² x)
turunan f(x) = - (1+cos x)/{(1-cos x)(1+cos x)}
turunan f(x) = -1/(1-cos x)
turunan f(x) = 1/(cos x - 1) ...........E