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I'm looking for a decent, (and preferably cheap) book, or books, on trigonometry. Something that proves some or all the trig equations we're expected to remember in high school stuff (most of which I've forgotten), but it should also leave room for my curiosity so I can prepare for higher level college courses in geometry. If it included triangles and circles on the complex plane, that would be a plus.

Thanks,

- Farley

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# Good book on trigonometry proofs?

**Physics Forums | Science Articles, Homework Help, Discussion**