While working with trigonometric functions, sometimes we are required to use a square of either the sine, cosine or tangent. This can be challenging, especially if you are not aware of how it is written. This article provides a clear guide on how to write and use SIN squared in excel.
Example
For illustrative purposes, let us consider the following example;
Figure 1: Sine squared in excel
In this example, we have the angle, marked as X. we also have the sine of the angle, marled as SIN(X). The sine squared is marked as SIN(X)^2 in column C.
To get the sine squared we simply square the sine. This can be done as shown below;
=SIN(X)^2
Note that the results for the sine squared do not have negative. This is because the negatives shall cancel each other during the multiplication to only remain with positives.
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