TRIGONOMETRY
I taked a class.
The students and teacher of my trig. class
If they put their mind to it, it is not difficult.
11/35
TRIGONOMETRY
Pay attention in class. That is the simplest way.
Attend class and take notes; learn the material; study before the exams; show up to and do the exam.
Trigonometry
I taked a class.
sin2A + cos2A
In Geometry, you learn about triangles. In Trigonometry you learn even more about triangles.
It's a high school/college class wherein you learn about functions, trigonometry, advanced algebra, and many other things in preparation. See Wikipedia for more info.
It depends. Between 9th to 12th.
Learn the subject!
The students and teacher of my trig. class
Trigonometry isn't required to learn calculus, but it does help you to understand some of the concepts. Geometry, however, is usually required before taking a course in trigonometry.