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Mathematics, 09.11.2020 17:00 leasiamoore

Suppose sin(x) = - 3/5 and cos(x) < 0. What is the value of cos(2x). A. - 16/25
B. -7/25
C. 7/25
D. 16/25

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Suppose sin(x) = - 3/5 and cos(x) < 0. What is the value of cos(2x). A. - 16/25
B. -7/25
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