Microsoft Office Tutorials and References
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Getting an Angle on Trigonometry
Getting an Angle on Trigonometry
Did you think Excel was not up to snuff to provide some tricks for
trigonometry? Then think again. Who can resist playing around with such exciting
things like cosines and tangents? All right, I admit this is not for everyone,
but here are the trig functions nonetheless. Besides, even if the concepts are
difficult, you can always throw around the terms at a party and be recognized
as the brainiest person there.
Three basic trigonometry functions
The sine, cosine, and tangent of an angle are likely the most used values in
trigonometry calculations. They provide answers about the relationships of a
triangle’s angles to the sides of the triangle. (See how I boiled down the bulk
of trigonometry into a single sentence!)
Figure 8-10 shows a handful of angles in Column A, and their corresponding
sine, cosine, and tangent values, respectively, in Columns B, C, and D.
Figure 8-10:
and TAN
The SIN, COS, and TAN functions take just the single argument of a number
(the angle) and return the converted values. The functions look like this if the
angles are in radians:
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