Khan Academy on a Stick

Using Trig Functions

Using Trigonometric functions to solve the sides of a right triangle

Basic trigonometric ratios

Basic trigonometry
Example: Using soh cah toa
Basic trigonometry II
Secant (sec), cosecant (csc) and cotangent (cot) example
Example: Using trig to solve for missing information
Example: Calculator to evaluate a trig function
Example: Trig to solve the sides and angles of a right triangle
Example: Solving a 30-60-90 triangle
Using Trig Functions
Using Trig Functions Part II

If the above player doesn't work, you can try this direct link.

All Khan Academy content is available for free at www.khanacademy.org.
This collection was created August 2013.