Limit of (1-cos(x))/x as x approaches 0
4:05
Khan Academy
Limit of (1-cos(x))/x as x approaches 0
In this video, we explore the limit of (1-cos(x))/x as x approaches 0 and show that it equals 0. We use the Pythagorean trigonometric identity, algebraic manipulation, and the known limit of sin(x)/x as x approaches 0 to prove this result. This concept is helpful for understanding the derivative of sin(x).
Aug 1, 2017
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