SOS Math
This section illustrates the process of solving trigonometric equations of various forms. It also shows you how to check your answer three different ways: algebraically, graphically, and equivalence.

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Sponsor:
If you are doing math and don't have a TI Programmable Calculator, you are at a disadvantage.
Texas Instruments TI-83 Plus Graphing Calculator; 64 H x 96mm W Screen