Tangents Teacher Resources

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,...

This tutorial introduces the double-angle and half-angle formulas for sine, cosine, and tangent, and gives sample application and proof exercises. Assumes knowledge of the sum and difference formulas.

Northeast Parallel Architectures Center of Syracuse University provides a quick reference chart of the exact values of the sine, cosine, and tangent functions for the most common angle measrements in the first quadrant. Includes both...

This lesson states the rules for finding the derivative of sine, cosine, and tangent, and provides a few examples. It is 2 of 4 in the series titled "Trigonometric Derivatives."

Twenty problems are presented for practice working with sum and difference formulas for sine, cosine, and tangent.

A few more examples using SOH CAH TOA. Examples of finding sine, cosine and tangent for two different right triangles, including finding side lengths by the Pythagorean Theorem and rationalizing the denominator.

Sal introduces sine, cosine, and tangent, and gives an example of finding them for a given right triangle.

Solve two challenging problems that apply properties of tangents to find the perimeter of a circumscribing shape.

Formulas and illustrations show the different kinds of angles created by intersecting tangents, secants, radii, and in combination.

Just about everything you need to know about trigonometry can be found here. Interactive examples and demonstrations help to enhance the lessons. Although not required, the tutorial uses Live Math and Scientific Notebook.

Continuation of video lesson using the basic trigonometric functions to determine unknown side lengths of a right triangle. Example shows using trigonometry as well as the Pythagorean Theorem to find the length of the third side of the...

Video using the basic trigonometric functions to find the length of a side in a right triangle. Examples are given with angle measures in radians. Includes link to additional practice problems. [10:03]

Hotmath provides 26 practice problems relating to conic sections. Each of the practice problems include a step-by-step guide for solving their conic.

Learn about tangent vectors in this video (5:54) from NOVA Digital. In this hypothetical world, zombies always move straight toward humans. This means that the tangent vector of a zombie's path points at the intended target. However,...

In the July 2013 issue of United Airlines' Hemisphere Magazine, a pilot responded to a question about how far in the distance he could see at different altitudes. The solution involved right triangles, lines of tangency to a circle, and...

Explains the basic concept of chords with step-by-step instructions and methods for solving specific problems on your own relating to this topic.

College professor Dan Bach reviews basic trig concepts, including trig functions, right triangles, circles, radians, and polar coordinates. Site includes animated graphs and detailed examples.

The goal of this task is to have students derive the addition and subtraction formulas for cosine and tangent, and the subtraction formula for cosine, from the sum formula for sine. Aligns with F-TF.C.9.

A java applet that relates the unit circle to the graphs of the six trigonometric functions, complete with the values of the functions.

In Spanish. This interactive unit could be used as a visual review of circles, circumference and tangents.

In Spanish. This interactive unit introduces various geometric concepts which are intended to be tools for solving problems of tangencies between straight lines, circles and points.

This lesson states the rules for finding the derivative of sine, cosine, and tangent, and provides a few examples. It is 3 of 4 in the series titled "Trigonometric Derivatives."

This lesson states the rules for finding the derivative of sine, cosine, and tangent, and provides a few examples. It is 1 of 4 in the series titled "Trigonometric Derivatives."

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