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Mathmuse Group TitleBest ResponseYou've already chosen the best response.0
Start with your critical points. 0, pi/2, pi, 3pi/2, 2pi you should be familiar with the values of sin(t) at these points. multiply by 4 and plot the points, connect the point to obtain a rough sketch
 one year ago

jaersyn Group TitleBest ResponseYou've already chosen the best response.0
don't i have to find the rectangular equation for this first?
 one year ago

Mathmuse Group TitleBest ResponseYou've already chosen the best response.0
you can plot it in rectangular coordinates...but since the radius is given in terms of an angle, you can plot it directly to a polar plot
 one year ago

Mathmuse Group TitleBest ResponseYou've already chosen the best response.0
http://www.dryerase.com/Images_2424/LG_U2424.jpg
 one year ago

jaersyn Group TitleBest ResponseYou've already chosen the best response.0
True, can you help me graph it using rectangular coordinates? Haven't gotten around using polor coordinates yet
 one year ago

jaersyn Group TitleBest ResponseYou've already chosen the best response.0
dw:1355515747517:dw
 one year ago

phi Group TitleBest ResponseYou've already chosen the best response.1
you could write your rectangular equation as \[x^2 + y^2 +4y =0 \] now complete the square on y
 one year ago

phi Group TitleBest ResponseYou've already chosen the best response.1
although I am not sure where your r= 4 sin \(\theta\) came from Up top, it is r= +4 sin \(\theta\)
 one year ago
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