Convert (-15,5√3) into polar form?
I especially had trouble find the beta on this problem. Help would be appreciated :)
Update:An explanation would be great.
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I especially had trouble find the beta on this problem. Help would be appreciated :)
Update:An explanation would be great.
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Answers & Comments
Use
x= -15 = r cos theta, y = 5sqrt3 = r sin theta
You get r= sqrt(x^2 + y^2) = sqrt( 225+75)=sqrt(300)= 10 sqrt 3
tan theta= y/x= 5 sqrt3/-15=-1/sqrt 3=-30 degrees
r=10√3 ,
theta = 5π/6