Question 1108414
Write as a trigonometry ratio of A, with the correct sign attached:

cosec (-A)

cosec (180+A)

cosec (180-A)
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The signs of the csc match those of the sine, since csc = 1/sin
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cosec (-A) =  -csc

cosec (180+A) = -csc

cosec (180-A) = csc