How do you write the equation #21x+20y=87# in polar form?
1 Answer
Dec 27, 2016
Explanation:
To convert from
#color(blue)"cartesian to polar form"#
#color(orange)"Reminder " color(red)(bar(ul(|color(white)(2/2)color(black)(x=rcostheta , y=rsintheta)color(white)(2/2)|)))#
#rArr21rcostheta+20rsintheta=87#
#rArrr(21costheta+20sintheta)=87#
#rArrr=87/(21costheta+20sintheta)#
