Q15 of 354 Page 11

Find , when

If x = ecos 2 t and y = esin 2t, prove that

Here ,


Differentiating it with respect to using chain rule ,






……(1)


And,


Differentiating it with respect to using chain rule ,






……(2)


dividing equation (2)by (1),




[]


More from this chapter

All 354 →
13

Find , when

and

14

Find , when

If x = 2cos θ – cos 2θ and y = 2sin θ – sin 2θ, prove that

16

Find , when

If x = cos t and y = sin t, prove that at

17

Find , when

If and prove that