Interactive Mathematics
Interactive Mathematics: Graphs of Tan, Cot, Sec, & Csc
Several examples are presented that demonstrate how to graph the tan, cot, sec, and csc functions.
Interactive Mathematics
Interactive Mathematics: Trigonometric Functions of Any Angle
Given a reference angle, you can find the trigonometric functions of any angle. The process is demonstrated in this lesson and examples are provided for practicing the concept.
That Quiz
That Quiz: Trigonometry
You can practice evaluating the six trigonometric functions and their inverse in radians or degrees. Four different levels are provided and it also tracks the number of correct answer.
Walter Fendt
Walter Fendt: Sine, Cosine and Tangent of an Angle
A short interactive activity to visualize the trigonometric functions: sine, cosine, and tangent.
Interactive Mathematics
Interactive Mathematics: Trigonometric Functions
This is a excellent review lesson about trigonometric functions of any angle. Good examples here.
Interactive Mathematics
Interactive Mathematics: Trigonometric Functions
Just about everything you need to know about trigonometry can be found here. Interactive examples and demonstrations help to enhance the lessons. Although not required, the tutorial uses Live Math and Scientific Notebook.
Iowa State University
Inverse Trigonometric Functions
This trigonometry tutorial features an explanation of how the inverse of all six of the trigonometric functions are obtained--and includes a Java applet for further reinforcement of the concept.
Math Open Reference
Math Open Reference: Cotangent
Learn about cotangents with this helpful reference tool. Provides a detailed definition and examples that enhance further explanation. Includes links to related topics.
Calculator Soup
Calculator Soup: Trigonometric Functions Calculator
This online trigonometry calculator will calculate the sine, cosine, tangent, cotangent, secant and cosecant of angle values entered in degrees or radians. The trigonometric functions are also known as the circular functions.
Calculator Soup
Calculator Soup: Trigonometric Functions Calculator
This online trigonometry calculator will calculate the sine, cosine, tangent, cotangent, secant and cosecant of values. The trigonometric functions are also known as the circular functions.
Math Open Reference
Math Open Reference: Cosecant (Csc) Trigonometry Function
Learn about the trigonometric function, cosecant, with this helpful reference tool. Provides a detailed definition and examples that enhances further explanation.
Curated OER
Npac Reu Program: Sign (+ or ) of the Trig Functions
Northeast Parallel Architectures Center of Syracuse University provides a quick overview of the signs of the six trigonometric functions in the four quadrants of the coordinate plane.