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Mathematics, 04.02.2020 19:54 Chloe0095

Which of the following trigonometric ratios is equivalent to sin 4pi / 3?

cos(5pi/6)
cos(5pi/3)
sin(pi/3)
sin(7pi/6)

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Which of the following trigonometric ratios is equivalent to sin 4pi / 3?

cos(5pi/6)
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