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If I've helped you, please consider supporting my mathy pursuits: https://ko-fi.com/trigonography

  • I'm the Trigonographer at trigonography.com, spotlighting my various "proofs without words" for trigonometric identities and relations.

  • I'm also the Hedronometer at hedronometry.com, compiling information about the dimensionally-enhanced trigonometry of tetrahedra.

  • I'm the person behind Tricochet, creator of math-inspired iOS apps such as Trigger, piClock, and Solly. (I also do custom iOS design and development; see UI by Blue.)

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Top posts (10) All Questions Answers | Votes Newest

12 Pointers for direct proof of extension of the Descartes Rule of Signs to complex polynomials? Apr 25 '10
11 Pythagorean Theorem for Right-Corner Hyperbolic Simplices? Jul 18 '10
10 Spectral graph theory: Interpretability of eigenvalues and -vectors May 17 '10
8 What are trig classes like within a universe that's “noticeably” hyperbolic? May 5 '10
6 Relation between two hypergeometric series Nov 9 '10
3 Can you determine whether a graph is the 1-skeleton of a polytope? Apr 30 '10
3 What's your favorite equation, formula, identity or inequality? Jul 15 '10
3 Combinatorial proof of (a special case of) the spectral theorem? Aug 5 '10
2 “negative” vs “minus” May 15 '10
1 Are “almost all” strongly regular graphs rigid? Oct 6 '10

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