Convert the rectangular equation to a polar equation? 4x+y=5

1 Answer
Shwetank Mauria
Mar 7, 2018

#r=5/(4costheta+sintheta)#

Explanation:

The relation between rectangular coordinates #(x,y)# and polar coordinates #(r,theta)# is that

#x=rcostheta# and #y=rsintheta#

Hence we can write #4x+y=5# as

#4rcostheta+rsintheta=5#

or #r=5/(4costheta+sintheta)#

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