Here is a site that clearly and thoroughly explains how to solve right triangles for any missing side or angle given any two pieces other sides or angles. There are example problems solved, problems for the student to attempt, and...

[Free Registration/Login may be required to access all resource tools.] Calculate the distances between two points using the distance formula.

[Free Registration/Login may be required to access all resource tools.] Express vectors in magnitude and direction form.

[Free Registration/Login may be required to access all resource tools.] Use right triangle ratios to solve for sides of triangles.

[Free Registration/Login may be required to access all resource tools.] Learn how to add two vectors.

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.

Introduction to right triangles and how to solve them using trigonometric functions. Very nice interactive demonstration of what happens when the angle measurements change and how it effects the calculations. This visual might be just...

Introduction to right triangles and how to solve them using trigonometric functions. Very nice interactive demonstration of what happens when the angle measurements change and how it effects the calculations. This visual might be just...

Introduction to right triangles and how to solve them using trigonometric functions. Very nice interactive demonstration of what happens when the angle measurements change and how it effects the calculations. This visual might be just...

Introduction to right triangles and how to solve them using trigonometric functions. Very nice interactive demonstration of what happens when the angle measurements change and how it effects the calculations. This visual might be just...

The trigonometry tutorial explores the graph of the cotangent function. The interactive tutorial explores the period, phase shift, and domain of the cotangent graph.

The trigonometry tutorial investigates the graph of the cosecant function. The interactive tutorial examines the period, phase shift, and range of the cosecant graph. Learners use the applet to manipulate the parameters of the cosecant...

Learners explore the special angles for the six trigonometric functions. The special angles can be used to solve trigonometry problems. The table gives the values of sine, cosine, tangent, cotangent, secant, and cosecant for special angles.

Students find and calculate the angle that light is transmitted through a holographic diffraction grating using trigonometry. After finding this angle, student teams design and build their own spectrographs, researching and designing a...

This online scientific/math calculator supports functions for algebra and trigonometry. Operates using both the keys on the computer keyboard or pressing the keys on the calculator with the mouse or a combination of both.

Defines and explores the law of cosines through examples and a video lesson. [1:41]

[Free Registration/Login may be required to access all resource tools.] This concept teaches students to use inverse trigonometric ratios to solve for missing angles in right triangles.

[Free Registration/Login may be required to access all resource tools.] Use the inverse trigonometric ratios.

[Free Registration/Login may be required to access all resource tools.] This concept teaches students to find the sine, cosine, and tangent of right triangles.

Explains the inverse trigonometric functions using examples.

[Free Registration/Login may be required to access all resource tools.] Find the sine, cosine, and tangent of right triangles.

This CoolMath resource explains how to solve trigonometric equations

A practice test that covers proving trigonometric identities and solving advances trigonometric equations.

[Free Registration/Login Required] Students explore trigonometric functions using the interactive features of Activstudio. Students apply their understanding of trigonometric sense to determine the side lengths and angles of various...