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 ...
Hosted on MSN

Pre-Calculus - Subtracting two trig rational expression and the simplifying the difference

In this video playlist, you will learn all about Analytic Trigonometry. We will start by simplifying trigonometric expressions using trigonometric identities such as the quotient, reciprocal, ...