Trig limit using pythagorean identity | Limits and continuity | AP Calculus AB | Khan Academy
Let’s see if we can find the limit as theta approaches 0 of ( \frac{1 - \cos(\theta)}{2 \sin^2(\theta)} ). And like always, pause the video and see if you could work through this.
Alright, well our first temptation is to say, well, this is going to be th…