Tag: math
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What is this? 021
Test your knowledge and ability to interpret a common scientific diagram.
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What is this? 007
Test your knowledge and ability to interpret a common scientific diagram.
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Spirographs 2
This is part 2 of a multi-part series. If you haven’t read the first part, it may be helpful to review it first. The problem with the standard formulas The standard formula for an epitrochoid is: The problem with this formula is that adjusting r or d to form new designs changes the overall size…
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Greek letters we’ve used
Greek letters are commonly used in science. There are 24 Greek letters. Here are the ones we have discussed recently. Greek letter Name Uses α alpha alpha particles, indicates the first angle of a triangleopposite the side a β beta beta particles, indicates the second angle of a triangle opposite the side b γ gamma…
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Amplitude & frequency
A discussion of amplitude and frequency using the motion of a spring and a pendulum as an example
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Classification of numbers
Certain infinite sets of numbers are common in mathematics and it is important to be able to distinguish them.
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Set notation
Set notation is commonly used throughout mathematics and is often introduced early in algebra.
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Angles & Sine Function
Learning Objectives: The sine function relates length of the opposite side of the triangle to the longest side, which is called the hypotenuse. sin(0°) = 0 since at 0° the length of the opposite side is 0. sin(90°) = 1 since at 90° the length of the opposite side equals the length of the hypotenuse.…