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Use the power-reducing formulas to rewrite the expression as an equivalent expression that does not contain powers of trigonometric functions greater than 1. 13 sin *x 13 sin *x =] (Simplify your answer. Use integers or fractions for any numbers in the expression.) Use the figure to find the exact value of the following trigonometric function. 10 tan ? 8 tan ? = 0. (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.) Use the figure to find the exact value of the following trigonometric function. 2 2 sin ? cos 2 2 sin 7 cos ? =. (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.) Use the adjacent figure to find the exact value of the following trigonometric function. cos 7 =[ (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression. Rationalize the denominator.) Use the power-reducing formulas to rewrite the expression as an equivalent expression that does not contain powers of trigonometric functions greater than 1. 112 sin 2x cos 2x 112 sin 2xcos 2x =]