It is now easy to come up with curves of various trigonometric functions such as the sine and cosine. While this might seem a little bit hard on many, reading this article will guide you on how to make a cosine curve in excel.
Here is the step-by-step guide on how you can make a cosine graph in excel;
Step 1: Create your data in excel like the one in figure 1 below. Use the COS function to find the cosine in radians as shown;
Figure 1: How to make a cosine graph
Step 2: Create a chart
Head to the menu bar and choose “Insert”. After that, choose one of the scatter models.
Choose a scatter model that will bring out the points in figure 1 above. This will look as the one below;
Figure 2: A complete cosine graph in excel
The cosine graph will appear as the one in figure 2 above.