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Vox audita perit, littera scripta manet - The spoken word perishes, but the written word remains

Derivatives and differentiation tutorial

Key concepts: Derivatives/differentiation Product rule Chain rule Quotient rule If you are reading this tutorial, your teacher has probably told you about different ways to take "derivatives" of functions and given you a whole list of expressions to differentiate. You are here because you have no clue which method to use or how to get started. Don't worry, we've got you covered! Question 1: Find the derivative of using the "product rule" Hmm, how should we go about doi

3 min read

How learning a New Language Improves your Brain and Well-Being

Learn how learning a new language changes your brain!

3 min read

Sine and Cosine Tutorial

Key concepts: Trigonometry Sine and cosine Geometry Look, we get it; trigonometry kind of sucks. As if regular geometry wasn't bad enough by itself, you are now being asked to remember all of these cosine and sine things (whatever they are). Let's get the basics straight: Question 1: "You point a laser range finder towards the tip of the CN tower at an angle of 70 degrees. It tells you that the tip is 588.8m away from where you are standing. Determine the height of the CN t

5 min read