The nucleolus is that mysterious round structure we are all taught to draw inside the nucleus of a cell. We know that it is difficult to spell, but more importantly, what does it do? Find out in this lesson! What is a Nucleolus? The nucleolus is a round body located inside the nucleus of a eukaryotic cell. […]
Understanding a story’s theme is critical to deciphering an author’s message in a particular piece of writing. In this lesson, we will examine the idea of theme and look at some examples in actual literary works. Defining a Theme The theme in a story is its underlying message, or ‘big idea.’ In other words, what critical belief […]
In this lesson, you’ll discover what a semicircle is. You’ll also discover the formulas for perimeter and area that will work on every semicircle. Then, test your knowledge by taking a brief quiz. Definitions A semicircle is simply half of a circle. That means if you take a circle and slice it down its diameter, or the line […]
Question: What is the derivative of sin(2x)? The Derivative of Sine and the Chain Rule: To find the derivative of sin(2x), we must understand two basic calculus concepts: The derivative of a trigonometric function. These are shown in this table. The chain rule, where we take a derivative of a function containing a parenthesis and […]
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