Find equation of tangent line in cartesian coordinates. Give in polar coordinates:
r=3-2costheta, at theta=pie divided by 3.© BrainMass Inc. brainmass.com November 24, 2022, 11:35 am ad1c9bdddf
The transformation formulas to cartesian system are
<br>x = r cos A, y = r sin A
<br>where we used A instead of theta convenience,
<br> r = 3-2Cos(A) at A = pi/3
<br>If A = pi/3,
<br> r = 3-2cos(pi/3) = 3-(2x0.5) = 3-1= 2 (because Cos 60 = 0.5)
<br>Now, x = r cos(pi/3) = 2 x 0.5 = ...
More than 20 step answer to the question is given to completely understand the process of solving similar questions.