Solve 2 cos² (x) - 3 cos(x) + 1 = 0 for all exact angles x where 0 < x < 2π x= Write answers in a list separated by commas.

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A: Here is the solution:

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A: Solution of given question is written in below steps.

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A: This question can be solved using the concept of decomposition of improper rational function.

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A: “Since you have asked multiple question, we will solve the first question for you. If youwant any…

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A: The objective of the question is determine dy/dx.