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Suppose q is an angle in the standard position whose terminal side is in Quadrant II and tan Ø= - square root of 3

Guest May 5, 2017
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 #1
avatar+6683 
+2

Suppose q is an angle in the standard position whose terminal side is in Quadrant II and tan Ø= - square root of 3

 

\(arctan( -\sqrt{3})=-60°\)

 

\(The \ free \ limb \ of \ the \ angle -60 ° \ forms \ the \ angle \ {\color{red}150 °} \ in \ the \ third \ quadrant.\)

.                                                                                           incorrect

laugh  !

 

Thanks Alan!  crying

 

\(The \ free \ limb \ of \ the \ angle -60 ° \ forms \ {\color{blue}the \ angle \ 180° -60° = \ 120 °} \ in \ the \ third \ quadrant.\)

asinus  May 5, 2017
edited by asinus  May 5, 2017
edited by asinus  May 5, 2017
edited by asinus  May 5, 2017
 #2
avatar+25979 
+3

The angle is 120° to end up in quadrant II.  i.e. tan(120°) = -sqrt(3)

.

Alan  May 5, 2017

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