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Mathematics, 29.06.2019 11:30 joytheqt305

Which of the following is a solution to 4cos2x − 1 = 0? a. 60° b. 150° c. 210° d. 330°

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Which of the following is a solution to 4cos2x − 1 = 0? a. 60° b. 150° c. 210° d. 330°...
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