Answer
(a) sec(x), (b) sin(x), (c) cos(x), (d) tan(x), (e) csc(x), (f) cot(x)
Work Step by Step
Compare with the standard graphs of the six basic circular functions and examine the amplitude and period of each graph, we have:
(a) sec(x), (b) sin(x), (c) cos(x), (d) tan(x), (e) csc(x), (f) cot(x)