If a function is trapped between two functions that approach the same limit, it has to approach that limit too. It's the standard way to prove sin(x)/x → 1.
31 videos · ranked by how well they teach
11:46147K views on YouTube · 5 years ago
6:5969K views on YouTube · 9 years ago
10:2553K views on YouTube · 13 years ago
22:5945K views on YouTube · 13 years ago
17:2716K views on YouTube · 1 year ago
2:5214K views on YouTube · 8 months ago
5:503.5K views on YouTube · 8 years ago
15:421K views on YouTube · 12 years ago
Best teachers for this topic
Get a Calc AB tutorAlso called: sandwich theorem