Gain in a common collector amplifier (9-Transistors)

Let's derive the gain in a common collector amplifier. The gain is usually 1, so the common collector amplifier is used as a buffer. Let's do a full derivation with examples. Aaron Danner is a professor in the Department of Electrical and Computer Engineering at the National University of Singapore. https://danner.group Video filmed and edited by Cheryl Lim. @randomcheryl