Sin, Cosine, & Tan Review and Tutorials
Brief Tutorial - Elementary Trignometric Functions
An elementary review of the properties of the trigonometric functions. What is the sine, cosine and tangent of 140º? Scientific Calculator required.
A handy reference for the trigonometry formula.
Dr. Math Explains
How do you explain this concept? Look no further, the sin, cosine and tangent are made relevant with Dr. Math's explanations.
A tutorial to show you that supplementary angles have the same sine and opposite cosines.