Simple answer: Calculus involves derivation and integration, precal doesn't. Pre calculus gives you some of the algebraic, geometric and trigonometric understanding that is required to comprehend the...
Trigonometry focuses specifically on the study of triangles, and concepts that are closely related to properties of triangles. Pre-Calculus is generally a preperation for the concepts of Calculus,...
About four years. You should be able to do algebra as a freshman in high school, and you should be able to do calculus as a freshman in college. This is often compressed to three or two years...
Im currently taking Pre Calculus and took Algebra 2 last year. To be honest, there really is no difference, there are only three new chapters of content we didnt go over last year in the whole book....