Here's a quick Calculus 3 tutorial on finding the unit tangent vector, unit normal vector, and the unit binormal vector of a helix (3sin(t))i+(3cos(t))j+4tk. ----------------------------- Support this channel and get my calculus notes on Patreon: 👉 Get the coolest math shirts from my Amazon store 👉 ----------------------------- #calculus #bprpcalculus #apcalculus #tutorial #math