6CREATING OSCILLATIONS WITH TRIGONOMETRY
I’ve got an oscillating fan at my house. The fan goes back and forth. It looks like the fan is saying “No.” So I like to ask it questions that a fan would say “No” to. “Do you keep my hair in place? Do you keep my documents in order? Do you have three settings? Liar!” My fan lied to me.—Mitch Hedberg
Trigonometry literally means the study of triangles. Specifically, it is the study of right triangles and the special ratios that exist between their sides. Judging from what’s taught in a traditional trigonometry class, though, you’d think that’s where it ends. Figure 6-1 shows just one part of a typical trigonometry ...
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