Trigonometry

1.  Trigonometry introduction

2.  Trig ratios

3.  Ratios with your calculator

4.  Solving trig equations

5.  Special angles

6.  Solving triangles

7.  Angles of elevation and depression

8.  Trig on the cartesian plane

9.  Trig calculations on the cartesian plane

10.  Reciprocals of trig ratios