lim(x→0) (sin x) / x equals:
- 0
- 1
- x
- ∞
Show answer and solution
Correct answer: B. 1
1. This is the fundamental trigonometric limit: lim(x→0) (sin x)/x = 1.
2. Used as a starting point to derive d/dx (sin x) = cos x.
3. Holds with x in RADIANS.
_Source: syllabus Maths Ch 13 "Limits and Derivatives", §13.2 Limits_