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Question #ee1ea

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Aug 19, 2016

In $[0< x< 360]; x=150^0,330^0$

Explanation:

$tan(x)=-cot(pi+pi/3) = -cot(180+60)=-cot240=-(1/tan240)=-(1/sqrt3):.x=tan^-1(-1/sqrt3) =-30^0$ in $[0< x< 360]; x=150^0,330^0$

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