This site provides information on sine, cosine, and tangent. Lengths of the sides are discussed and many diagrams/tables are shown.

Using TI Navigator, Cabri Jr and LearnCheck, students will explore how changing an angle in a triangle changes the ratio of the sides, and changing the sides can make changes an angle in a triangle. Students will then explore two...

[Free Registration/Login may be required to access all resource tools.] On this site students learn about the composition of inverse trigonometric functions. Students read about inverse reciprocal functions, watch a video about the topic...

A slide show presentation which shows how component parts can be used to determine a vector. It also introduces trigonometry functions to show how vectors can have rotational directions.

[Free Registration/Login may be required to access all resource tools.] This lesson covers how to analyze and graph exponential growth functions.

Definition of a sine function. Range and period also are given. Graph of sine function given as well.

Sketches of the graphs of the 12 "parent," trigonometry functions are given: sine, cosine, tangent, secant, cosecant, cotangent, arcsine, arccosine, arctangent, arcsecant, arccosecant, and arccotangent.

An interactive tool to discover how the trig functions came to be. Applets are used in this interactive learning tool. Examples exercises are also given.

Several examples are presented that demonstrate how to graph the tan, cot, sec, and csc functions.

Looking for a 10-minute review of the major concepts of trigonometry? This site is a quick recap of degrees and radians, SOH CAH TOA, Pythagorean identities, and special right triangles are all found here.

[Free Registration/Login may be required to access all resource tools.] Calculate the secant, cosecant, and cotangent functions using the sides of a triangle.

Learners explore the special angles between 0 and 2 pi on a unit circle. The special angles can be used to solve trigonometry problems.

[Free Registration/Login may be required to access all resource tools.] Define vertical translations of sine and cosine functions.

[Free Registration/Login may be required to access all resource tools.] How to alter graphs in polar coordinates by changing constants and/or functions.

This site is a quick review of the functions and identities in trigonometry. Very helpful site.

The derivatives for cosecant, secant, and cotangent functions are presented here. Several examples allow the user to practice finding the derivatives before seeing the solutions.

A page of review problems on trigonometric functions. Answers are supplied.

This calculator will find the inverse trigonometric values for principal values in the ranges listed in the table.

Investigate the cosine, sine, and tangent ratios of trigonometry using this interactive Learn Alberta math resource. Students will use these ratios to determine a right triangle's unknown side or angle. Be sure to follow the link to the...

Read a lesson, look at examples, and try easy, medium, and advanced problems from a variety of trigonometry topics: radian measure of angles, trigonometric functions, trigonometric identities, and modeling with trigonometric functions.

A complete high school Precalculus Concepts course. Includes 'Related Modalities' for each lesson that teach the same concept in different ways. The text materials follows Algebra II and comes before Calculus or Statistics. The content...

[Free Registration/Login may be required to access all resource tools.] This lesson covers the inverses of all six trig functions.

In this activity, students use the calculator to solve trigonometry problems using sine, cosine, and tangent. They also find inverses of trigonometric functions.

[Free Registration/Login may be required to access all resource tools.] This lesson uses trigonometric identities to prove other identities.