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20.Which of the following is NOT coterminal to an angle measuring 2?/3?a) 14?/3 b) -4?/3c) 32?/3 d) -20?/321.sin?=-9/41 and ? ? ? ? 3?/2 ,
20.Which of the following is NOT coterminal to an angle measuring 2?/3?a) 14?/3 b) -4?/3c) 32?/3 d) -20?/321.sin?=-9/41 and ? ? ? ? 3?/2 , what is cos??a) 41/40 b)-41/40c) 40/41 d) -40/41
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