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Asked by Shane

Find all the values of theta between 0 degree and 360 degree, and state the quadrants in which they exist. (a)cos theta=-0.71 (b)tan theta=1.732
12 years ago

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Answered by Steve
(a) cos 44.76° = .71
cos < 0 in QII,QIII

similarly for (b)
12 years ago

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