in Mathematics 120f, F X co PreCalc Review - Ed x 5 MATH120-exam1-re x 5 Exam_one_Review ( x M Inbox (480) - lynng x M Inbox (198) - gwenc x * Ask a Question X + edfinity.com/assessments/61670716766687002535b4ec#modal-2 T . . . e x Problem 2 Each expression simplifies to a constant, a single trigonometric function or a power of a single trigonometric function. Use fundamental identities to simplify each expression. 1. sec(x ) cos(x) = 2 . sin (x) tan(x) cos (a) 3. tan(x ) cos(x) = 4. (tan(a) )2 + sin(x) csc(x) = 5. (sec(a) )2 - 1 = Submit