The free mathematics tutorial explores the unit circle and trigonometric functions. The tutorial consists of definitions and examples with solutions. The interactive applet allows students to investigate domain, range, and asymptotes of...

Students will use the TI-84 Plus family to collect data from a microphone and analyze. Students' will then write a trig function to model the data.

A guide to calculating trigonometric functions.

A complete list of hyperbolic functions, plots of hyperbolic functions, and formulas. Includes links to related topics.

This site explains the functions such as trigonometric, exponential, and logarithmic

In this section we will give a quick review of trig functions. We will cover the basic notation, relationship between the trig functions, the right triangle definition of the trig functions. We will also cover evaluation of trig...

In this activity students use the CAS tool to explore sin, cos, and tan functions. They expand the functions and find the domain. They also prove the conjectures.

This site provides several real-world application problems that can be solved using sinusoidal functions. Students are asked to sketch, model and solve the problems.

This site gives the student the Taylor Series expansions for the various Inverse Hyperbolic Functions. The site has links to related topics.

Online help with math apps on function relations.

A complete reference guide to trigonometry functions. It provides definitions, examples, and an interactive activity that enhances further explanation. Includes links to related topics.

A complete reference guide to the sine function. It provides definitions, examples, and an interactive activity that enhances further explanation. Includes links to related topics.

A complete reference guide to the cosine function in trigonometry. It provides definitions, examples, and an interactive activity that enhances further explanation.

Given the formula of a sinusoidal function, determine its amplitude.

A complete look at trig functions. From an "overview," page giving general definitions and important vocab words, to a listing of the 12 trig functions, to an explanation of the three modes used in trigonometry, to the procedures of how...

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.

The purpose of this task is to help students make the connection between the graphs of sin t and cos t and the x and y coordinates of points moving around the unit circle. Students have to match coordinates of points on the graph with...

[Free Registration/Login may be required to access all resource tools.] Find different trigonometric functions that have the same values for a given angle.

[Free Registration/Login may be required to access all resource tools.] Explain the inverse of trigonometric functions.

The purpose of this task is to apply knowledge about triangles to calculate the sine and cosine of 30 and 60 degrees. Aligns with HSF-TF.A.3.

Find the sine and cosine of special angles, which are angles whose trig values we can determine without the use of a calculator. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...

Here is a site that clearly and thoroughly explains the trigonometric functions of acute angles within a right triangle. There are example problems solved, problems for the student to attempt, and answers to the student problems. Point...

A trigonometry "cheat sheet" to use as a reference when completing trigonometry homework. Lists basic facts, properties, identities, formulas, and inverse trigonometric functions.

The Function Institute provides descriptions and examples for linear functions, polynomials functions, rational functions, exponential functions, and trigonometric functions.