
Using Your Calculator
This may sound like a given condition by the time you get to calculus, but you need to be able to graph functions and get a proper viewing window. You should be able to use the Calc menu on your calculator to find roots, minimums, maximums, and intersections. You should also know how to use the table mode on your calculator. You should also know how to change the mode on your calculator and leave it in Radian mode or in Degree mode.
Trigonometry Skills Needed
You really need to know everything in it with the exception of the product to sum and sum to product formulas (and trigonometric identities). Most of this will need to be memorized so that it is available for instant recall. Other things can be derived by understanding the relationships between the trigonometric functions and the different quadrants.