Use the given information about the angle 0 to find the exact value of each of the following. a. sin 20 c. tan 20 b. cos 20 tan 0=6, sin 0 <0 a. sin 20 = (Type an integer or a simplified fraction. Type an exact answer, using radicals as needed.) b. cos 20 = (Type an integer or a simplified fraction. Type an exact answer, using radicals as needed.) c. tan 20 = (Type an integer or a simplified fraction. Type an exact answer, using radicals as needed.)