                 
AC Trigonometry
An electrician does not use trigonometric calculations on the job,
ever. In some thirty years of doing electrical work, I never needed to do a trig
problem for the work. But I needed to know sin cos tan really well for license
exams at various levels. The standard examination for an electrician license at
the Master level has trig as a part of the Alternating Current calculations.
Trig is a way to find missing values in electrical problems where the supply is
alternating current. Thee is no other way to find missing values than to use
trig. So if you have an aversion to trig, and do not plan to learn it for what
ever reason, you'll probably be safe. There are usually fewer than five
questions on any exam where you need to know trig.
On the off chance that you want to learn about this problem solving
technique, here are techniques of solution that will get you through easier than
you would ever think possible. In fact, trigonometry problems, with the aid of a
Texas Instruments TI-30Xa calculator, are no more difficult than substitution
algebra problems.
Admittedly trigonometry can get very difficult. But to the extent that you
need to learn it, right triangle trigonometry, it is not difficult. Dig in.
Trigonometry is important for certain calculations. Here are details about
trigonometry which may help you understand these concepts.
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