Proving the trig identities for sin(a+b) and cos(a+b) using Euler’s formula.

# Euler’s Formula And Trig Identities

## Published by

### Dennis Bingaman

I am an electrical engineer with over 25 years experience in automation and test. I have a multitude of background experiences from Software Development (Assembly, C, C++ and C#), Analog Circuit Design, Digital Circuit Design, Firmware (VHDL) for FPGA's and CPLD's. The application domain is to automation testing of CCA's and or Electronic Components. View all posts by Dennis Bingaman