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Nur Amalia
Student •XII IPA
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Putra Gema Nusa
Rockstar Teacher •GURU SMA
X <x< 0 ។ I f(x) = X – sin 2x , 0<x<211 f f'(x) = 1 – 265 2X & fungsi nack f'(X) >0 |- 2008? 2x > 0 #fungsi turun f'(x) <0 1-2032 2X <0 0 = 1 - 20s 2x = 2005 ZX = 1 a Cos 2x - | Z :: halk : 30°2x < 150° V 200'2x < 330° teren : x < 30°, 150°2XC 1109, x > 330° : ° x> - s los 2x = cos 600 2x = 60°tk.360" # 2X=-60° tk. 360° X = 30° + k. 180° X = -30° tk. 180° > k=0, x=300 is k=1, X= 150 -> k= 1, X= 20° >k=a. X=330° s Đ t - o 30° 150° 260° 290 Pahamify
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