Find the exact value of the expressions cos(a + B), sin(a + B) and tan(a + ß) under the following conditions sin(x) 12 13 a lies in quadrant I, and sin(ß): LIE 40 41 ß lies in quadrant II a. cos(x + 3) = (Simplify your answer. Type an exact answer, using radicals as needed. Use integers or fractions for any numbers in the expression.) b. sin(a + 3) = (Simplify your answer. Type an exact answer, using radicals as needed. Use integers or fractions for any numbers in the expression.) c. tan(a + B) = (Simplify your answer. Type an exact answer, using radicals as needed. Use integers or fractions for any numbers in the expression)

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