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Mathematics 9 Online
OpenStudy (shayaan_mustafa):

Find polar coordinates of all points at which the polar curve has a horizontal or a vertical tangent line. \[\large r=a(1+cos \theta )\]

OpenStudy (amistre64):

tangent lines are derivatives

OpenStudy (shayaan_mustafa):

yes. But w8 amistre64 let me tell you what I have done up till now and where I got stuck.

OpenStudy (apoorvk):

graph would be...|dw:1336585591525:dw| the phasor-graph

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