In this math tutorial, I present an alternative strategy for simplifying a trigonometric identity, focusing on methods that may not be commonly taught. We explore how to simplify trigonometric ...

IN this school-book of three hundred and twenty-six pages the authors have arranged a course on trigonometry which should be most useful to those studying this subject for the first time. The book may ...

In this video, I explain how to use Pythagorean identities to simplify trigonometric expressions. We focus on substituting 1-sin²θ with cos²θ to make the equation easier to work with, verifying the ...

Maths Tutorial. PC software for teaching calculus, coordinate geometry, statistics and probability. A special video from Autograph creator Douglas Butler. Looking at radian measure, some trig formulae ...

Nervous parents and their nervous sons and daughters, listen up: If you’re preparing for the SAT, and you want to brush up on your math skills, Mastering High School Math and SAT could make a ...

Using ICT in MathsMaths tutorial: Autograph - a software for teaching calculus, coordinate geometry, statistics and probability. A special video from Autograph creator Douglas Butler. Using ...