Given the side lengths of a right triangle, find the sine, cosine, or tangent of one of the acute angles. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Learn how to find the sine, cosine, and tangent of angles in right triangles.

Given one side length and an acute angle in a right triangle, find another side using trigonometry. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Learn how to "solve" a right triangle and apply the concept to real world situations using angles of elevation and depression.

[Free Registration/Login may be required to access all resource tools.] Here you'll learn what an isosceles right triangle is, the relationships between the sides of an isosceles right triangle, and how to find the length of an unknown...

An introduction to all six trigonometric function in the setting of right triangles. This tutorial begins with the six definitions and goes through applications involving angles of elevation and angles of depression. Includes several...

A java applet that will solve a right triangle when you provide angle D and its adjacent side e.

A java applet that will solve a right triangle when you provide angle D and the length of the hypotenuse f.

A java applet that will solve a right triangle when you provide information for angle D and its opposite side d.

A java applet that will solve a right triangle when you provide side lengths for d (long side) and e (short side).

A java applet that will solve a right triangle when you provide the lengths of side e (short side) and side f (hypotenuse).

A java applet that will solve a right triangle when you provide the lengths for side d (long side) and for side f (hypotenuse).

Demonstrates how to translate, set up, and solve basic right-triangle word problems.

Navigator Activity: This is a review of the right triangle in the coordinate plane. Given two lines (2 really nice ones) the students write the equation of the 3rd line to create a right triangle. They find the vertices of the triangle...

The trigonometry tutorial investigates special triangles. The activity includes isosceles right triangles and 30-60-90 triangles. The examples show how to obtain the six trigonometric ratios of the special angles using special triangles.

Given two sides in a right triangle, find one of the acute angles using trigonometry. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Learn how to use trig functions to find an unknown side length in a right triangle.

Solve word problems by modeling real-world (and not-so-real) situations as right triangles and using trigonometry. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

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

Here is a site that clearly and thoroughly explains the trigonometry of a right triangle, including finding the values of all six trig functions given a single value. There are example problems solved, problems for the student to...

[Free Registration/Login may be required to access all resource tools.] Find distances using angles expressed as bearings. Here you'll learn how to relate right triangle relationships to course bearings.

The online assessment demonstrates knowledge of advanced mathematical concepts in Algebra II. The questions test students on trigonometric ratios in right triangles.

This is a way to use the TI-Navigator to check for an understanding of sin, cos, and tan before you move onto word problems.

WebMath offers a java applet that allows you to input information about a right triangle, and then solves the triangle for any of the missing pieces of information. It also gives a detailed solution using the information that you provided.