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Sketching polar graphs

q9i
https://ee551f0ff9059a8c11da68c106209f7679ae6683.googledrive.com/host/0B1ZiqBksUHNYN29Qa21DSk5FWGM/January%202007%20QP%20-%20FP2%20OCR.pdf
I tried doing a table of r and theta.

R is max at pi/3

R increases from 0 to pi/3

But Im not sure how to draw it :frown:
Original post by Super199
q9i
https://ee551f0ff9059a8c11da68c106209f7679ae6683.googledrive.com/host/0B1ZiqBksUHNYN29Qa21DSk5FWGM/January%202007%20QP%20-%20FP2%20OCR.pdf
I tried doing a table of r and theta.

R is max at pi/3

R increases from 0 to pi/3

But Im not sure how to draw it :frown:


Once you've got a table of values, start by plotting the points you've got. If you still can't see it, it may be helpful to get a graphical calculator that can graph polar curves, such as the TI-84; alternatively, try converting the polar equation to Cartesian form and then graph that.

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