(a) sinhx is an odd function and its range is R and domain is R. (b) sechx is an even function and its range is (0,1] and domain is R. (c) tanhx is an odd function and its range is (−1,1) and domain is R. (d) cosec−1x is neither even nor odd function. Hence, A-IV, B-III, C-V, D-II