lim (x-0) (X Cos 2X)/(TanX-Sin2X)
Matematika
elvirafitriyas
Pertanyaan
lim (x-0) (X Cos 2X)/(TanX-Sin2X)
2 Jawaban
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1. Jawaban mauridzclary
x (1- 2sin ^2x) : sinx/cosx - sin2x = x(1-2sin^2x):sinx-cosx(sin2x)/cosx
semoga bermanfaat -
2. Jawaban arsetpopeye
Lim (x cos 2x) / (Tan x - sin 2x) . (1/x) / (1/x)
= Lim (x cos 2x)/x / (Tan x - sin 2x)/x
= Lim (x/x . cos 2x) / [(Tan x)/x - (sin 2x)/x]
= cos 2(0) / (1/1 - 2/1)
= 1 / (1 - 2)
= -1