I am afraid of failing this calculus course because I recognize the material but need a reshowing on how to do the problems. I am going to attempt to do them myself but if I get them wrong it would help to have a tutor do the problems and created a detailed step by step process so I see where I went wrong.

True or false? (a) If tan(0) = = , then sin(0) = 5 and cos(0) = 7. ---Select--- (b) sin(a2) + cos(a2) = 1. ---Select--- (c) cot-1(x) =- cot ( x ) ---Select--- 15. [-/2 Points] DETAILS MY NOTES ASK YOUR TEACHER Rewrite the following as an algebraic expression in y. Assume 0