**In this chapter**

Math and Trigonometry functions in Excel can be used to perform calculations as standalone functions or combined to create complex formulas. Trigonometry is simply the study of how sides and angles of a triangle relate to each other. So, this chapter when referring to trig functions is all about triangles. Yep, it’s that simple. And, some quick comments about sine and cosine. Sine is the ratio of the height to the hypotenuse and cosine is the ratio of the base to the hypotenuse. Where the hypotenuse is the longest leg of a right triangle. ...

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