Nilai [tex] \lim_{x \to 0} \frac{1-cos^2 4x}{2x tan2x} [/tex] = A. 2 B. 4 C. 6 D. 10 E. 14
Matematika
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Pertanyaan
Nilai [tex] \lim_{x \to 0} \frac{1-cos^2 4x}{2x tan2x} [/tex] =
A. 2
B. 4
C. 6
D. 10
E. 14
A. 2
B. 4
C. 6
D. 10
E. 14
1 Jawaban
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1. Jawaban arsetpopeye
Lim (1 - cos^2 4x)/(2x Tan 2x)
= Lim (sin^2 4x)/(2x Tan 2x)
= Lim (sin 4x)/(2x) . (sin 4x)/(Tan 2x)
= 4/2 . 4/2
= 4