The limit of sin(x)/x as x goes to 0, Proof of the derivative of sin(x), No, we cannot use Taylor series for sin(x) since we need derivative as well. Check out my "100 limits" video for more practice: ---------------------------------------- 💪 Support this channel and get my math notes by becoming a patron: 🛍 Shop my math t-shirt & hoodies: ---------------------------------------- #blackpenredpen #math #calculus #apcalculus