# Trig Addition Formulas

## ©1999 T. D. Morley

### Introduction

E is the bas of the natural logarithms.

### Getting Started

### Multiple Angle Formulas.

This mysterious bit of code multiplies out and then picks off

the part without the "i".

### Big Examples

Everwonder what sin(50A) is.... Now you know!!

How about cos(100A)?????