Have you ever had trouble remembering when sines, cosines, and tangents are positive or negative? If so, you may want to remember the mnemonic ASTC, which stands for All, Sine, Tangent, Cosine and can be remembered as “All Students Take Calculus.” The acronym tells you which trig functions are positive in each quadrant, starting from…
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The derivative is a calculus superpower that gives great insights into functions. The first and second derivatives allow us to find the function’s local minima and maxima, known as critical points, as well as the function’s inflection points. This article will show you exactly how to use derivatives to find critical points and the importance…
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Derivatives are one of the most important concepts in calculus. They describe the rate of change of a function with respect to a variable. However, not every function has a derivative. In this article, we will explain how to determine whether or not a given function has a derivative, as well as how to determine…
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