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Use identities to find values of the sine and cosine functions for the angle measure.?,...

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Use identities to find values of the sine and cosine functions for the angle measure.?, given that cos2?= and 90 < ? < 180sin? = (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression. Rationalize all denominators.)cos?=(Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression. Rationalize all denominators.)

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