In this video, I will show you how to evaluate an angle in degrees using the sum formula of cosine. We will need to use the formula because we cannot evaluate using the unit circle. We will then ...

I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those experiences to help students improve in math through practical applications and tips.

Maths Formulas for Class 10: Mathematics is a foundational subject that can be both challenging and rewarding. Success in this field, especially for the CBSE Class 10 board exams, hinges on a strong ...

Polygons can be regular or irregular in shape. A polygon is a closed 2D shape with at least three sides. A regular polygon is a polygon with all equal sides and angles. An irregular polygon is a ...