## Sine Squared

Austin TX 2012/06/28 In December of 2009, I picked up a book by Steven Strogatz called The Calculus of Friendship.0 Reading the book, I found myself touched by the story of the author’s life-long relationship with his high school Calculus teacher, affectionately called Joff. They corresponded about interesting math problems for years as Strogatz went … Continue reading Sine Squared