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What is the polar equation of a horizontal line?

1 Answer

Shwetank Mauria

Apr 4, 2018

#r=c csctheta#

Explanation:

The relation between polar coordinates #(r,theta)# and Cartesian coordinates #(x,y)# is given by

#x=rcostheta# and #y=rsintheta#

The equation of a horizontal line is of the form #y=c#, where #c# is #y#-intercept, a constant.

Hence, in polar coordinates equation would be

#rsintheta=c# or #r=c csctheta#

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