Q.1
One among the following is the correct explanation of pedal equation of an polar curve, r=f (θ), p=r sin(∅) (where p is the length of the perpendicular from the pole to the tangent & ∅ is the angle made by tangent to the curve with vector drawn to curve from pole)is _______
Questionengineering-mathematics-questions-answers1.jpg
  • a) It is expressed in terms of p & θ only
  • b) It is expressed in terms of p & ∅ only
  • c) It is expressed in terms of r & θ only
  • d) It is expressed in terms of p& r only
Q.2
The pedal Equation of the polar curve rn=an cos⁡nθ is given by ______
  • a) rn=pan
  • b) rn-1=pan
  • c) rn+1=pan+1
  • d) rn+1=pan
Q.3
Polar equations of the circle for the given coordinate (x,y) which satisfies the equation given by (x-a)2+(y-b)2=r2 where (a,b) is the coordinates of the centre of the circle &r is the radius.
Questionengineering-mathematics-questions-answers3.jpg
  • a) x = r cos⁡θ, y = r sin⁡θ
  • b) x = a+ r cos⁡θ, y = b + r sin⁡θ
  • c) y = a+r cos⁡θ, x = b + r sin⁡θ
  • d) x = r sin⁡θ, y = r cos⁡θ
0 h : 0 m : 1 s