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Beginning Pre-Calculus for Game Developers by Boris Meltreger, John P. Flynt

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Using Visual Formula

You can use Visual Formula to explore a variety of trigonometric relationships. To view the trigonometric functions Visual Formula provides, click the Trigonometry menu item. You see a selection that includes the six basic trigonometric functions. To explore but one possibility, consider the notion that the value of the cosecant is the reciprocal of the value of the sine:

You can superimpose one graph on another using Visual Formula to see how this is so. You know, for example, that at any point at which the value of the sine equals 0, the value of the cosecant is undefined. In other words, it constitutes an infinitely large ...

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