Find the exact value of each of the following under the given conditions. TI" 5 tan Ix: - i u lies in quadrant II, and cos [3 = E [3 lies in quadrant l a. sin (a + B) b. cos (a + .3) c. tan (a + [3) a. sin (a + B} = (Simpliiy your answer. Type an exact answer, using radicals as needed. Rationalize all denominators. Use integers or fractions for any numbers in the expression.) b.cos{o:+|3]=E| (Simplify your answer. Type an exact answer, using radicals as needed. Rationalize all denominators. Use integers or fractions for any numbers in the expression.) c. tan(a1+|3)=E| (Simplify your answer. Type an exact answer, using radicals as needed. Rationalize all denominators. Use integers or fractions for any numbers in the expression.)