Use the given information to find the exact value of each of the following. a. sin 20 b. cos 20 c. tan 20 sin 0 = 15 17' 0 lies in quadrant III a. sin 20 = (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.) b. cos 20 = (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.) c. tan 20 = (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.)

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