In Spanish. An overview of trigonometry, trigonometric functions, and hyperbolic functions. A great resource page.

This site has a basic overview of trigonometry focusing on the trig functions, trig ratios, and the unit circle.

This educational resource consists of interactive games and puzzles that investigate algebra and trigonometry concepts. Some concepts included are functions, quadratics, and trigonometric graphs. [Requires Java Plugin.]

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...

This activity illustrates a real-life problem that uses trigonometry to solve for an unknown. students can use trigonometric ratios and inverse trigonometric relationships to determine the side of a triangle and the measure of the...

In this lesson, students will model and solve air traffic control problems with geometry software. The Cabri Jr. application will be used to construct a model of the problem situation and concepts from trigonometry and proportions are...

This site provides lesson plans for various math topics, including probability, geometry, algebra, trigonometry, patterns, applied math.

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

This is an interactive activity introducing the concept of trigonometry and working with trigonometric functions to solve right triangles.

Free downloadable algebra worksheets covering the basics, equations, linear equations, inequalities, trigonometry, exponents, polynomials, quadratic functions, radical expressions, rational expressions and word problems.

Guide a mummy safely through the burial chambers of a pyramid as you solve length and area problems in basic to advanced geometry. There are four game zones that deal with circles and triangles, quadrilaterals, the Pythagorean Theorem,...

The resource examines the basic math skills needed for studying physics. Some topics include units, scientific notation, significant digits, and trigonometry. Example problems, graphs, and a chapter quiz are included.

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.

How can trigonometry be used to find the area of a triangle or parallelogram? Does the triangle need to be a right triangle, and how accurate can the results possibly be? The answers to these questions are found here along with several...

In trigonometry today, we use the abbreviations sin, cosine and tan. Girard was the first mathematician to use these abbreviations in his work.

A "convention" is "just the way a thing is done!". This reference material lists some common conventions (notational assumptions) for geometry and trigonometry.

This is a lab in which the students will calculate the height of an air or water rocket by using trigonometry.

Three trig tables are provided for student and teacher reference. The first table lists the sine, cosine, tangent, secant, cosecant, and cotangent values of all whole-number angles from 0 to 90. The radian equivalent (to four decimals)...

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

[Free Registration/Login Required] Students describe, analyze, and reason angles being as small or as large as they can imagine. Using trigonometrical ratios, this is a fun exercise in understanding how to examine the perfect graph.

Students learn about the trigonometric addition formulas. Sine, cosine, and tangent formulas are included.

Learn about the trigonometric function, cosecant, with this helpful reference tool. Provides a detailed definition and examples that enhances further explanation.

[Free Registration/Login may be required to access all resource tools.] Finding unknown sides in a triangle using other sides and angles.

[Free Registration/Login may be required to access all resource tools.] This lesson applies the trigonometric ratios and their inverses to real-life situations.