Odds and Ends
Ah, I see your misunderstanding here.
For calc, we use radian measure. Ya know, pi, pi/3, pi/2, pi/4, pi/6, etc... The values of those trig functions turn out to be really nice (sine of pi = 0, of pi/2 = 1, pi/4 = root2/2, etc...). That I have to memorize, but not ALL of the...