Students discuss the policies of race relations of five presidents. They analyze primary documents to comprehend the various views and actions of five Presidents in regards to race relations. Students evaluate the influence of...

Students practice the skill of reasoned decision making. In this making decisions lesson, students read from the website 'Little Planet Times' and use the 'Making Good Decisions' E-Sheet to help with the article. Students divide into...

A site on inverse trigonometric functions. Contains a definition, a chart showing functions and their domains, formulas, and many links.

The purpose of the task is to explicitly identify a common error made by many students in function notation, when they make use of the "identity" f(x + h) = f(x) + f(h). Aligns with F-IF.A.2.

Explains the inverse trigonometric functions using examples.

Chapter from a novel that describes the workings of a charitable society. This chapter, "The Sewing Circle," illustrates some of the various functions that institutions, especially the benevolent and charitable societies, performed in...

An interview illustrating some of the ways community functioned in the lives of African Americans. It explores how external pressures of racism brought African Americans together to form fraternal organizations and entire towns.

This task presents a challenging exercise in both algebraic manipulations and seeing structure in algebraic expressions. Aligns with A-SSE.B.3.a and A-SSE.A.2.

Here is a site that clearly and thoroughly explains the graphs of the major mathematical functions. There are example problems solved, problems for the student to attempt, and answers to the student problems. Point this site out to...

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

A CSI activity that deals with "TRENDS IN DATA". You'll conduct an investigation whereby you'll measure parts of your body and contribute to the investigation data to solve a murder. You'll look at different relationships to find proper...

This Kindergarten unit introduces children to the concept of history as story, and establishes student familiarity with documents and concepts of change and continuity between now and the past. By telling their own stories through...

This lesson is the main SOS Math page for trigonometry. Surf the lesson to find most any trigonometric identity, formula, and many forms of help in the area of trigonometry.

Part of Eric Weisstein's comprehensive math site, this page deals with double-angle formulas. This site includes traditional trigonomic double-angle functions as well as hyperbolic trigonometric function. Includes links to related terms...

This section explores the Pythagorean Identity and how it applies to right triangles set inside unit circles, in terms of sine, cosine, and tangent functions.

This page from Wikipedia, a free and open-source encyclopedia, covers how to solve a variety of trigonometric equations, most of which involve substitution with a trigonometric identity. The identities themselves are not covered, but...

This tutorial highlights the numerous trigonometric identites (but does not define the basic trigonometric functions).

[Free Registration/Login may be required to access all resource tools.] Advanced applications of trigonometric identities.

This site is a quick review of the functions and identities in trigonometry. Very helpful site.

Graphs of the tangent function, both 2-dimensional and 3-dimensional. Higher level mathematics applications given including the hyperbolic tangent function, important relevant identities, the Macluarin series for the tangent function,...

This resource is a quick review of the functions and identities in trigonometry.

[Free Registration/Login may be required to access all resource tools.] This lesson uses trigonometric identities to prove other identities.

This list of trigonometric identities includes the factoring formulas near the bottom. A great tool for reference.

Focusing a study on the philosophy of mind, examine this thorough collection of resources to enhance discussions.