4. Hitunglah lim (1 – cos(x))/x saat x mendekati 0.
Jawaban: lim (1 – cos(x))/x = 0
5. Hitunglah lim (tan(x) – sin(x))/x^3 saat x mendekati 0.
Jawaban: lim (tan(x) – sin(x))/x^3 = 1/3
6. Hitunglah lim (sin(2x)/x saat x mendekati 0.
Jawaban: lim (sin(2x)/x = 2
