why do you blame a poor female high school teacher just repeating the universally taught teachings of those four gentlemen (and some others) who obviously thought (cont'd. below)
REMEMBER KIDS, YOU ONLY NEED GEOMETRY, AND STATISTICS WITH AN EXTREMELY BASIC LEVEL OF ALGEBRA... TRIG, CALC, WORTHLESS TO 99.99% OF PEOPLE. SO, LET'S SKIP GEOMETRY AND STATS AND WORK ON TRIG AND CALC.