Flashcards: Angle Applications

What is the formula for angular velocity?

\displaystyle \omega = \frac{r}{l_A}

\displaystyle \omega = \frac{\theta}{l_A}

\displaystyle \omega = \frac{\theta}{t}

\displaystyle \omega = \frac{\theta}{r}

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Trigonometry is the branch of mathematics that focuses on measuring lengths and angles of triangles. When you start your studies, you’ll be learning about the special functions sine, cosine, and tangent.

Over time, you will find out that trigonometry also applies to circles and that the sides can be either positive or negative, based on the rules of Cartesian coordinates. It follows that the sine, cosine, and tangent can also move between positive and negative numbers. As you move forward in your studies, you will learn about angles and radians, triangle identities, trigonometric operations, and more.

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