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https://coolmathstuff123.blogspot.com/2012/10/ Cool Math Stuff: October 2012 cool mathstuffoctober https://coolmathstuff123.blogspot.com/2012/12/how-to-divide-any-number-by-91.html Cool Math Stuff: How to Divide Any Number by 91 Since this is the last post of 2012, I thought I'd finish the year with a mental math technique. Before I do that though, I want to show you... cool mathhow tostuffdividenumber https://coolmathstuff123.blogspot.com/2013/06/triangular-day-more-figurative-families.html Cool Math Stuff: Triangular Day: More Figurative Families Two weeks ago, we talked about the relationships between figurative families. We looked at these in a more basic light, by just analyzing th... cool mathstufftriangulardayfigurative https://coolmathstuff123.blogspot.com/2014/03/rediscovering-trigonometry-part-1.html Cool Math Stuff: Rediscovering Trigonometry Part 1: Addition and Subtraction Formulas In January, I did a series with some heavier mathematics, involving lots of number theory, combinatorics, and some fairly difficult manipula... addition and subtractioncool mathstuffrediscoveringtrigonometry https://coolmathstuff123.blogspot.com/2012/06/ Cool Math Stuff: June 2012 cool mathstuffjune https://coolmathstuff123.blogspot.com/2011/10/ Cool Math Stuff: October 2011 cool mathstuffoctober https://coolmathstuff123.blogspot.com/2013/06/ Cool Math Stuff: June 2013 cool mathstuffjune https://coolmathstuff123.blogspot.com/2012/07/triangular-day-times-nine-plus-one.html Cool Math Stuff: Triangular Day... times nine plus one Today is another triangular day! It is July 28th, and 28 is the seventh triangular number. Before we start, let's remind ourselves of the ... cool mathstufftriangulardaytimes https://bighominid.blogspot.com/2012/05/math-stuff-at-tef-blog.html BigHominid's Hairy Chasms: math stuff at the TEF blog math stuffhairychasmstefblog https://coolmathstuff123.blogspot.com/2013/03/ Cool Math Stuff: March 2013 cool mathstuffmarch https://coolmathstuff123.blogspot.com/2014/03/rediscovering-trigonometry-part-3-half.html Cool Math Stuff: Rediscovering Trigonometry Part 3: Half Angle Formulas Click here to see part one of this four week series. Click here to see part two of this four week series. Last week, we figured out ... cool mathstuffrediscoveringtrigonometrypart https://coolmathstuff123.blogspot.com/2014/03/ Cool Math Stuff: March 2014 cool mathstuffmarch https://chaimgoodmanstrauss.com/ Chaim Goodman-Strauss – Math, Art, Stuff math artchaimgoodmanstraussstuff https://discussions.unity.com/t/math-question-angles-and-magnitude-stuff/66855 Math question, angles and magnitude stuff - Questions & Answers - Unity Discussions Mar 25, 2013 - im using arctangent2 to find the angle between 2 vectors. arctan2(magnitude(axis of rotation), dotProduct(start vector,end vector)); so rotating from vector1... questions answersmathanglesmagnitudestuff