Question

Lim x mendekati 0

adalah....

Answer 1

Sin x / 1 - cos x = ?
= sin x / 2 sin^2 (1/2x)
= sin x / 2 (sin 1/2x)^2
= 1 / 2 (1/2)^2
= 1 / 2 (1/4)
= 1 / 1/2
= 2