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Mathematics 9 Online
OpenStudy (anonymous):

Find an angle between 0 and 2pi that is coterminal with the given angle (d) 19pi/11 I thought that I could subtract 2pi and get -3pi/11 to be my answer and it was wrong. Can someone please explain ?

OpenStudy (mathmale):

I'd strongly suggest that you graph the angle 19pi/11 first. This will tell you in which quadrant it lies. Sounds as though you'll need to use an inverse trig function to find the angle in question.

OpenStudy (anonymous):

Oh okay thank you for the suggestion.

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