This lesson shows how the Pythagorean Identity can be solved for the tangent function. It is 5 of 6 in the series titled "Solving a Pythagorean Identity for Tangent." [1:56]

This lesson shows how the Pythagorean Identity can be solved for the tangent function. It is 6 of 6 in the series titled "Solving a Pythagorean Identity for Tangent." [1:37]

The ideal gas law is stated and explained at this site from the Towson University. It is then used to derive the other gas laws (Charles, Boyle's, Gay-Lussac's, Avogadro's, combined, etc.). Other gas law relationships are discussed. Sample problems illustrating the use of each gas law to solve problems are provided. Real gases and Van der Waals equation are also discussed.

An in-depth analysis of the domestic policies and problems that Rutherford B. Hayes faced as president. Read about the end of Reconstruction, Hayes' economic policy, his troubles with a Democratic majority in the Congress, and his attempts at civil service reform.

A very detailed description of schizophrenia. Tells exactly what it is, the many symptoms, characteristics of people who have schizophrenia, and treatment. Links are provided for additional information.

This resource offers two different topic problems per week for students to solve. A video showing the method to solve each problem is given. After viewing a solution method for solving the problem try one on your own where you can only check if your answer is right or wrong.

Short explanation of exponential functions followed by a series of real-life scenarios involving money.