YouTube on MSNOpinion

Pre-calculus - using the double angle of tangent to solve an equation

Learn how to use the double angle identities to solve trigonometric equations. When we have equations with a double angle we ...
YouTube on MSNOpinion

Pre-calculus - Learn how to evaluate the difference of two functions, f(x) = x^2 + 1; g(x) = sqrt(x)

In this video series we will investigate the basics of what you will need to know to be successful in Pre-Calculus. We will ...