The following equation involves a trigonometric equation in quadratic form. Solve the equation on the interval [0, 2î). 2 cos x-3 coS x = - 1 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. (Type an exact answer, using n as needed. Use a comma to separate answers as needed. Use integers or fractions fc B. There is no solution. Click to select and enter your answer(s) and then click Check Answer.

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