Choose the correct option for each sentence. (a) The function f(z)= tan ' ) has [ Select ] discontinuity at =0 . (b) The function g(I) - has [ Select ] sin I discontinuity at I= 0 . (c) The function h(z)=In |x] has [ Select ] discontinuity at I=0 . (d) The function r(I) = cos ) has [ Select ] discontinuity at I=0 [ Select ] a removable a jump an infinite an oscillating