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Mathematics 9 Online
OpenStudy (anonymous):

in this problem, they found theta to equal 7pi/6, but why can't it be just pi/6 as well? http://prntscr.com/3d6dqf

OpenStudy (anonymous):

because you are in quadrant 3

OpenStudy (anonymous):

wait..how do i know that its in the 3rd quadrant?

OpenStudy (anonymous):

oh just kidding i figured it out

OpenStudy (anonymous):

the solution was very incomplete since knowing the tangent is not enough you need to know where you are

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