Home » Courses » Mathematics » Single Variable Calculus » 5. Exploring the Infinite » Part A: L'Hospital's Rule and Improper Integrals » Session 87: L'Hospital's Rule

Early in the course we discussed limits and things that could go wrong when trying to compute them. For example, we might end up trying to divide zero by zero when calculating a limit. L'Hospital's rule is the tool we employ when this is unavoidable.
sin x/(1 − cos x) as x Approaches 0
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