Everything I learned from Hipparchus

Well, I’m off to a bad start already—because I’ve learned almost nothing from Hipparchus. Allow me to explain…

When I was in eleventh grade, as was the sad lot of most college-bound high school students, I was forced to take Trigonometry. I was no one’s notion of a good student and, as a student of mathematics, I was even worse (I did not develop a taste…