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4. List all of the solutions for the equation below. You may use your calculator, but you must write your solutions in exact form and

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4. List all of the solutions for the equation below. You may use your calculator, but you must write your solutions in exact form and represent your solutions both graphically and algebraically and on the unit circle. 2cos(x) + 1 = 0 Algebraically: sentogashi 991 Graphically: Using the unit circle: (0.1) 120 908 GO 1350 6 1508 (-1.0) HI - 180 0- 0 - (1.0) 210 225" 330 5# ' 240 270' 300 (0,-1)

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