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OpenStudy (anonymous):

Which value is a solution for the equation tan(x/2)=-1? A. 5pi/4 B. 3pi/2 C. 3pi/4 D. 7pi/4

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OpenStudy (anonymous):

d

OpenStudy (anonymous):

3pi/2... 3pi/2 * 1/2 = 3pi/4 tan(3pi/4) = -1

OpenStudy (anonymous):

... and calculator... :)

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