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Video Playlists from the Khan Academy

Video Playlists from Khan Academy One of the most valuable resources is from the Khan Academy. For your convenience, I used their playlist from YouTube and are found in the right. Some of the topics is what I plan to do but since Salmon Khan did them, this will save me time to develop other [...] . . . → Read More: Video Playlists from the Khan Academy

Signal Processing Tutorial: The Basic Sinusoids

One common class of signals are sinusoids…that is they are either cosines or sines. The video shown below briefly reviews the definition of a sine, cosine, and tangent. [tubepress mode="tag" tagValue= 'soh cah toa drjctu'] Mathematically, the cosine signal is generally given as (Equation 1) where is the angular frequency (radians/sec), f is the [...] . . . → Read More: Signal Processing Tutorial: The Basic Sinusoids

Update on Engineering Tutorials at FreedomUniversity.TV

Here’s short video update on my plans to develop more engineering videos at FreedomUniversity.TV. Current videos online are: Circuit Analysis, Differential Equations, Trigonometry, and Introduction to Algebra. Some of the links in the post above are “affiliate links.” This means if you click on the link and purchase the item, we will receive an affiliate [...] . . . → Read More: Update on Engineering Tutorials at FreedomUniversity.TV

Trigonometric Application Problems – Complex Numbers (Part 1)

Below is Part 1 on Complex Numbers. Think of this as an application of trigonometry. Some of the links in the post above are “affiliate links.” This means if you click on the link and purchase the item, we will receive an affiliate commission. Regardless, we only recommend products or services we believe will add [...] . . . → Read More: Trigonometric Application Problems – Complex Numbers (Part 1)

Trigonometry and What the Heck is SOH CAH TOA?

This is not a rigorous post in trigonometry but a basic introduction to what trigonometry is and how it’s used. First review the short video below on the mnemonic SOH CAH TOA and then I’ll highlight some applications on trigonometry: One use of trigonometry is to find distances by measuring angles. When the object’s height or [...] . . . → Read More: Trigonometry and What the Heck is SOH CAH TOA?