Home
Class 12
MATHS
If x=a (cos t +t sin t)" and "y= a (sin ...

If `x=a (cos t +t sin t)" and "y= a (sin t -t cos t)`, find `(d^(2)y)/(dx^(2))`.

Text Solution

Verified by Experts

The correct Answer is:
`(sec^(3)t)/(at), 0 lt t lt (pi)/(2)`.
Promotional Banner

Topper's Solved these Questions

  • CONTINUITY AND DIFFERENTIABILITY

    NCERT BANGLISH|Exercise EXERCISE 5.8|8 Videos
  • APPLICATION OF INTEGRALS

    NCERT BANGLISH|Exercise Miscellaneous Exercise|19 Videos
  • DETERMINANTS

    NCERT BANGLISH|Exercise Miscellaneous Exercises on Chapter 4|18 Videos

Similar Questions

Explore conceptually related problems

If x=a(cos t+t sin t) and y=a(sin t-t cos t)," find "(dy)/(dx) " at " t=(3pi)/(4)

cos t dx/dt + sin t = 1

If x=t^(2) and y=log t , find (dy)/(dx) .

If x=sin t sqrt(cos2t) and y=cos tsqrt(sin2t) , find (dy)/(dx) at t=(pi)/(4) .

x = e^(-t) (a cos t + b sin t )

If x=2 cos t+cos 2t and y=2 sin t-sin2t , then the value of (dy)/(dx) at t=(pi)/(4) is -

If x = 3 cos t - 2 cos^3 t,y = 3 sin t- 2 sin^3 t, then dy/dx is

If x=sqrt( a^(sin^(-1)t)) and y=sqrt( a^(cos^(-1)t)) find dy/dx

If a curve is represented parametrically by the equation x=f(t) and y=g(t)" then prove that "(d^(2)y)/(dx^(2))=-[(g'(t))/(f'(t))]^(3)((d^(2)x)/(dy^(2)))

If x = 3 tant and y = 3 sec t, then the value of (d^2y)/(dx^2)" at" t=pi/4 is

NCERT BANGLISH-CONTINUITY AND DIFFERENTIABILITY-MISCELLANEOUS EXERCISE ON CHAPTER 5
  1. Differentiate w.r.t.x the function in Exercises 1 to 11. sin^(-1)(x ...

    Text Solution

    |

  2. Differentiate w.r.t.x the function in Exercises 1 to 11. (cos^(-1)""...

    Text Solution

    |

  3. Differentiate w.r.t.x the function in Exercises 1 to 11. cot^(-1)[(s...

    Text Solution

    |

  4. Differentiate w.r.t.x the function in Exercises 1 to 11. (x)^(log x)...

    Text Solution

    |

  5. Differentiate w.r.t.x the function in Exercises 1 to 11. cos( a cos ...

    Text Solution

    |

  6. Differentiate w.r.t.x the function in Exercises 1 to 11. (sin x- cos...

    Text Solution

    |

  7. Differentiate w.r.t.x the function in Exercises 1 to 11. x^(x)+x^(a)...

    Text Solution

    |

  8. x^(x^(2)-3)+(x-3)^(x^2)," for "x gt 3.

    Text Solution

    |

  9. Find (dy)/(dx), " if "y=12 (1-cos t), x= 10(t-sin t), -(pi)/(2) lt t l...

    Text Solution

    |

  10. Find (dy)/(dx)," if "y= sin^(-1)x +sin^(-1)sqrt(1-x^(2)), 0 lt x lt 1.

    Text Solution

    |

  11. If xsqrt(1+y)+ysqrt(1+x)=0," for ", -1 lt x lt 1, prove that (dy)/(d...

    Text Solution

    |

  12. If (x-a)^(2)+(y-b)^(2)=c^(2), for some c gt 0, prove that ([1+((dy)/...

    Text Solution

    |

  13. If cos y= x cos (a+y), with cos a ne pm 1, prove that (dy)/(dx)=(cos^(...

    Text Solution

    |

  14. If x=a (cos t +t sin t)" and "y= a (sin t -t cos t), find (d^(2)y)/(dx...

    Text Solution

    |

  15. If f(x)= |x|^(3), show that f''(x) exists for all real x and find it.

    Text Solution

    |

  16. Using mathematical induction prove that (d)/(dx)(x^n)= nx^(n-1) for al...

    Text Solution

    |

  17. Using the fact the that sin (A+B)= sin A cos B+ cos A sin B and the di...

    Text Solution

    |

  18. Does there exist a function which is continuous everywhere but not dif...

    Text Solution

    |

  19. If y=|{:(f(x),g(x),h(x)),(l,m,n),(a,b,c):}|, prove that (dy)/(dx)=|{:(...

    Text Solution

    |

  20. If y= e^(a cos^(-1)x), -1 le x le 1, show that (1-x^(2))(d^(2)y)/(dx^(...

    Text Solution

    |