sin 0= 0<0<5, find the exact value of each of the following. a) sin (20) (b) cos (20) (c) sin , (d) cos 2 - | ..... 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 2 (Type an exact answer, using radicals as needed.)

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