lim mendekati x=0. 1-cos6x/x sin3x

LIMIT

Lim (2sin^2 (3x))/x sin3x
2 × Lim sin3x/x × Lim sin3x/sin3x
2 × 3/1 × 3/3
6 × 1
6

*Lim --> 0

* 2sin^2 x = 1 - cos2x
2sin^2(3x) = 1 - cos6x