5+ Reasons why trigonometry is important to electricians?


Trigonometry is an important field of mathematics that helps electricians calculate the voltage and current in a circuit.

Trigonometry can also help electricians design electrical circuits, as well as troubleshoot electrical problems. In addition, trigonometry is used in many other fields, such as physics and engineering.

Let us now take a closer look into several areas that use trigonometry that we mentioned above.

Trigonometry is the study of triangles and their relationships to each other.

There are three basic trigonometric functions: sine, cosine, and tangent. Each of these functions can be used to calculate the angles and distances in a triangle.

The most common use of trigonometry in electrical work is calculating voltages and currents. In a simple circuit, the voltage is equal to the current multiplied by the resistance. However, in more complex circuits, the voltage and current can be calculated using trigonometric functions.

For example, consider the circuit below:

In this circuit, the voltage is given as 120 volts. To calculate the current, we need to use trigonometry. The resistance is given as 10 ohms. First, we need to calculate the angle θ. This can be done using the following equation:

θ = arccos(10/120)

= 36.87 degrees

Next, we need to use the sine, cosine, and tangent functions to calculate the current. The sine function is given by the equation:

sin(θ) = 10/120

= 0.083

The cosine function is given by the equation:

cos(θ) = 120/10

= 12

The tangent function is given by the equation:

tan(θ) = 10/120

= 0.083

Finally, we can calculate the current using the following equation:

I = V/R

= 120/10

= 12 amps

It’s important for electricians because it helps them calculate angles, measure distances, and determine sizes in relation to one another

When it comes to electric wiring. Trigonometry is also necessary when working with the alternating current because the sine and cosine waves are at a right angle to each other.

Without trigonometry, electricians would not be able to work with AC as efficiently as they do. It can also be used in other areas of life such as navigation and surveying.

Electricians need to be proficient in trigonometry to do their job safely and correctly. In a nutshell, trigonometry is important to electricians because it allows them to calculate complex voltages and currents, work with AC current, and use mathematical formulas to solve various electrical problems.

It’s a critical tool in their toolbox, one which they can’t work without.

Trigonometry can also be used in predicting the waveforms of electrical signals

This is important in areas such as telecommunications, where engineers need to be able to predict how a signal will be affected by certain conditions.

Finally, trigonometry can be used to calculate the exact location of an object. This is often used in navigation, where sailors and pilots need to know their location at all times. It can also be used in engineering to calculate the stresses on a particular object.

Trigonometry is one of the most basic math skills that an electrician needs to know

Trigonometry is one of the most basic math skills that an electrician needs to know. It is a field of mathematics that is used in many different areas, such as electrical work, physics, and engineering.

Trigonometry can help electricians calculate voltages and currents, as well as design electrical circuits.

Is understanding trigonometry challenging for electricians?

These relationships can be used to calculate the length of a side or the size of an angle in a triangle. Electricians often need to use trigonometry to calculate the height of a pole or the distance between two points. While trigonometry can be challenging for anyone, electricians often find that a good understanding of the subject is essential to their work.


As you can see, trigonometry is an important field of mathematics that has many applications in the electrical field and beyond. Electricians cannot do their job without it, and it’s something that they need to be proficient in.

So the next time you’re wondering why trigonometry is in your high school math class, now you know! It’s not just a useless subject – it’s actually quite important.

Daniel Wood

Daniel, who is a mechanical engineer and hobbyist mechanic by profession has been specializing in electronic equipment for the past four years. He worked as an engineer at one of these manufacturing plants that specializes exclusively on this type equipment before opening up his own shop where he does research into different machines all day long!