Search for tag: "trigonometry"
Trig Nibble: Figuring Out Trig Functions by HandAhhh, the dreaded "figure the 6 trig functions out by hand" request. It's not that bad!!! :-) Essentially, there are only 5 angles they are going to ask for, who only can result in 5…
From Alan Fahrner
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Trig Nibble: "Memorizing" the Unit CircleThe Unit Circle has so many values on it that memorizing it can seem impossible. But, you only need to memorize five! Warning: unscripted! :-)
From Alan Fahrner
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Solving the Side-Side-Angle (SSA) Ambiguous CaseThis is my very first mathematics "how to" video...so apologies for your torture ahead of time. :-) In many ways I am just getting used to the technology, but you will learn to solve…
From Alan Fahrner
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Trig Nibble: Transforming Your Key PointsYou know how to graph a y = sin(x) or y = cos(x) by starting with your 5 key points. But, someone has gone and made it messy by changing the period and doing a phase shift. How do you figure out…
From Alan Fahrner
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Trig Nibble: Reverse Arc LengthWhat if you have the radius and the the length of the arc? How do you figure out what the angle in radians is? P.S. That is "Cahill: United States Marshal" in the background. :-)
From Alan Fahrner
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Trig Nibble: Arc LengthFor our first Trig Nibble, Alan shows you how to calculate the length of an arc. Please go about 4 minutes in if you just want to know how to do it, not what is going on behind the formula. :-)
From Alan Fahrner
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