. 2 If sin 0=3,0 < < find the exact value of each of the following. (a) sin (20) (b) cos (20) (c) sin (d) cos (a) sin (20) = (Type an exact answer, using radicals as needed.) (b) cos (20)= (Type an exact answer, using radicals as needed.) (c) sin (Type an exact answer, using radicals as needed.) (d) cos (Type an exact answer, using radicals as needed.)