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Mathematics 7 Online
OpenStudy (anonymous):

tan θ = − square root 3/3 I thought it's θ = pi/6 + kpi but it's wrong...

Directrix (directrix):

Are there any restrictions on k? Does this --> its 5/3 pi + kpi include tan( 5pi/6)?

OpenStudy (anonymous):

Sorry, the right is 5/6 pi + kpi, k is an integer

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