The Pythagorean theorem, special right triangles, trigonometric functions sine, cosine, tangent, law of sines, and law of cosines can be overwhelming to students in geometry and trigonometry. This article will be a clear, concise guide for all of these topics involving triangles. A triangle is a 3-sided geometric figure, whose sides are line segments, with ...
You need to use a measuring tool when doing carpentry projects. Once you’ve chosen your materials, you’ll have to measure and mark them for cutting. For this, you’ll need a measuring tool, a straightedge, and something to mark with. The ultimate success or failure of your project can be determined at this stage. Here’s how ...
Measuring is the key to success in every carpentry project. Measuring requires no strength or fancy tools – just common sense and concentration. Think about what you are doing and double-check your measurements. You will save time, save waste, and save yourself from doing sloppy – or even dangerous – work. Measuring the Building Much ...
This article covers resistors, capacitors and inductors in AC circuits. It assumes that the reader knows the following: Ohm’s Law Nature of Alternating current (AC) Series Circuits Parallel Circuits Capacitors Inductors Basic Trigonometry Algebra As discussed in my article on the nature of alternating current, the voltage and current from an AC source are constantly ...
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