In this video I work through 129 examples of evaluating trigonometric expressions. We will evaluate the sine, cosine, and tangent using angles from the unit circle. To do this I will sketch each angle ...

I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those ...

IIM Lucknow is set to conduct the CAT exam for 2023 on November 26 in 155 cities. Comprising three sections — Verbal Ability and Reading Comprehension, Data Interpretation and Logical Reasoning, and ...

A polynomial is an algebraic expression involving many terms and can be factorised using long division or synthetic division. Laws of logarithms and exponents Revise what logarithms are and how to use ...

Here's another example to work through. This time you need to draw two right-angled triangles to help you with your working. If \(\sin p = \frac{3}{5}\) and \(\tan q ...