8.(1 point) Solve each of the following equations on the interval [0,21) 2cos20 - 1 = 0. 9.(2 points) Convert the polar
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8.(1 point) Solve each of the following equations on the interval [0,21) 2cos20 - 1 = 0. 9.(2 points) Convert the polar
8.(1 point) Solve each of the following equations on the interval [0,21) 2cos20 - 1 = 0. 9.(2 points) Convert the polar equation r = 4cose + 6sino to a rectangular equation.
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