Comments

• x= cos (t/2) y= sin (t) = sin(t/2+t/2) = 2sin (t/2) cos (t/2) y/x= 2sin (t/2) because of the fact that cos (t/2) = x/a million ( adjoining section /hypotenuse) ( Draw a suitable triangle ) opposite section is b= sqrt (a million-x^2) sin (t/2) = sqrt…

  in convert from parametric to rectangular? Comment by peng May 2021
• x= cos (t/2) y= sin (t) = sin(t/2+t/2) = 2sin (t/2) cos (t/2) y/x= 2sin (t/2) because of the fact that cos (t/2) = x/a million ( adjoining section /hypotenuse) ( Draw a suitable triangle ) opposite section is b= sqrt (a million-x^2) sin (t/2) = sqrt…

  in convert from parametric to rectangular? Comment by peng May 2021