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Your experience with Trigonometry probably starts in high school, but do you really remember it? The real question might be: Why would you want to remember it? Well, you want to program games , don't you? Having this knowledge will allow you to create cool effects in your gamessuch as having a tank move in whatever direction you desire . Without some knowledge of Trigonometry, this can't be done. The following list shows you what topics I'll cover in this chapter:
The unit circle
Radians
Periods, domains, and ranges
Trigonometric functions
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