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MathFoundations27: Trigonometry with rational numbers

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Uploaded by on May 10, 2009

Rational trigonometry works over the rational numbers, and allows us a more elementary and logical approach to the basics of trigonometry. This video illustrates the Spread law, the Cross law and the Triple spread formula.

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  • @crittinger should write wildberger is a beast.

  • are you going to (or did you already) write a geometry text book? because i would like to have it.

    you should write wildberger's elements lol

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