15When done circle answers Find the exact value of the expressions cos(a + B), sin(a + B) and tan(a + B) under the following conditions:404sin(a) =a lies in quadrant I, and sin(ß) =415'B lies in quadrant II......a. cos(a + B) = |(Simplify your answer. Type an exact answer, using radicals as needed. Use integers or fractions for any numbers in the expression.)

Given information:: Find the exact value of the expressions cos(α+β), sin(α+β) and tan( α+β)…

Find the exact value of the expressions cos(a + B), sin(a + B) and tan(a + B) under the following conditions: 40 a lies in quadrant I, and sin(B) = 41 4 B lies in quadrant II. sin(a) = .. a. cos(a + B) = (Simplify your answer. Type an exact answer, using radicals as needed. Use integers or fractions for any numbers in the expression.)