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Question 3 of 13 > Use a trigonometric identity to find cos 3 2 if sin (x) = 7 (Express numbers in exact form.
Question 3 of 13 > Use a trigonometric identity to find cos 3 2 if sin (x) = 7 (Express numbers in exact form. Use symbolic notation and fractions where needed.) COS os(x - 5) = 2
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