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7. (9 pts) Given that sin(8) = 4/9 for an angle - in Quadrant II, find the exact values of each of the following. Show

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7. (9 pts) Given that sin(8) = 4/9 for an angle - in Quadrant II, find the exact values of each of the following. Show work. Rationalize denominators as appropriate. (a) cos(8 ) (b) sin(20) (c) cos(28)9. (8 pts) State all of the exact solutions of the equation sin(2x) = 1/2 in the interval [0, 2n). (work optional)

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