You can put this solution on YOUR website! The exact values of negative 5 pi over 2 of the six circular functions ?
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(-5/2)pi = -(2 1/2)pi = -(1/2)pi = (3/2)pi
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sin = -1
cos = 0
tan is undefined
csc = -1
sec is undefined
cot = 0
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Cheers,
Stan H.