Not too easy. Not too difficult.
My professor isn't the best because he only gives 5 minute classes that one can barely understand. If it wasn't for the homework and study sessions, I wouldn't be able to understand much of what was going on.
I learn the unitary circle and tricks to memorize it, and how to deal with trigonometric functions.
Hours per week:
Advice for students:
I suggest that you take up on a professor that gives homework often. It'll help along the way and when it's time to study, you'll barely have to.