find the limit

53. 55. 11m lim 57. 0--90 lim 59. sin 3x 11m 5x3 4x sin 0 9-+0 0 + tan 0 54. 56. 58. 60. lim sin 3x sin 5x 2 X lim cscx sin(sinx) cos 0 202 sin x 1 1 tan x cos x sin(x2) lim sin(x lim 1) 2