For the following exercises, algebraically determine all solutions of the trigonometric equation exactly, then verify the results
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For the following exercises, algebraically determine all solutions of the trigonometric equation exactly, then verify the results by graphing the equation and finding the zeros.
8cos2 x − 2cos x − 1 = 0
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8cos 2 x 2cos x 1 0 8 cos 2 ...View the full answer
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