Home
Class 12
MATHS
Show that the line (x-2)costheta+(y-2)si...

Show that the line `(x-2)costheta+(y-2)sintheta=1` touches a circle for all values of `theta` .Find the circle.

Text Solution

Verified by Experts

The correct Answer is:
`x^(2)+y^(2)-4x-4y+7=0`
Promotional Banner

Topper's Solved these Questions

  • CIRCLE

    ARIHANT MATHS|Exercise Exercise For Session 1|18 Videos
  • CIRCLE

    ARIHANT MATHS|Exercise Exercise For Session 2|17 Videos
  • BIONOMIAL THEOREM

    ARIHANT MATHS|Exercise Exercise (Questions Asked In Previous 13 Years Exam)|21 Videos
  • COMPLEX NUMBERS

    ARIHANT MATHS|Exercise Exercise (Questions Asked In Previous 13 Years Exam)|43 Videos

Similar Questions

Explore conceptually related problems

The line (x-1) cos theta + (y-1) sin theta =1, for all values of theta touches the circle

If sintheta+ costheta=1 , then find the general value of theta .

If costheta-sintheta=sqrt(2)costheta , then find the value of costheta+sintheta .

A line is tangent to a circle if the length of perpendicular from the centre of the circle to the line is equal to the radius of the circle. For all values of theta the lines (x-3) cos theta + (y-4) sin theta = 1 touch the circle having radius. (A) 2 (B) 1 (C) 5 (D) none of these

Find maximum and minium value of 5costheta+3sintheta(theta+pi/6) for all real values of theta .

The straight line x cos theta+y sin theta=2 will touch the circle x^(2)+y^(2)-2=0 if

The straight line x cos theta+y sin theta=2 will touch the circle x^(2)+y^(2)-2x=0, if

If sintheta+costheta=1 , then the value of sin2theta is

If costheta+sintheta=sqrt(2)costheta ,then find the value of (costheta-sintheta)/(sintheta) .

Prove that the line y=m(x-1)+3sqrt(1+m^(2))-2 touches the circle x^(2)+y^(2)-2x+4y-4=0 for all reacl values of m.

ARIHANT MATHS-CIRCLE -Exercise (Questions Asked In Previous 13 Years Exam)
  1. Show that the line (x-2)costheta+(y-2)sintheta=1 touches a circle for ...

    Text Solution

    |

  2. A circle is given by x^2 + (y-1) ^2 = 1, another circle C touches it e...

    Text Solution

    |

  3. If the circles x^2+y^2+2a x+c y+a=0 and points Pa n dQ , then find the...

    Text Solution

    |

  4. A circle touches the x-axis and also touches the circle with center (...

    Text Solution

    |

  5. If a circle passes through the point (a, b) and cuts the circlex x^2+y...

    Text Solution

    |

  6. Let ABCD be a square of side length 2 units. C2 is the circle through ...

    Text Solution

    |

  7. ABCD is a square of side length 2 units. C(1) is the circle touching ...

    Text Solution

    |

  8. ABCD is a square of side length 2 units. C(1) is the circle touching ...

    Text Solution

    |

  9. If the lines 3x-4y-7 = 0 and 2x-3y-5=0 are two diameters of a circle o...

    Text Solution

    |

  10. Let C be the circle with centre (0, 0) and radius 3 units. The equatio...

    Text Solution

    |

  11. Tangents are drawn from the point (17, 7) to the circle x^2+y^2=169, S...

    Text Solution

    |

  12. Consider a family of circles which are passing through the point (-...

    Text Solution

    |

  13. A circle C of radius 1 is inscribed in an equilateral triangle PQR. Th...

    Text Solution

    |

  14. A circle C of radius 1 is inscribed in an equilateral triangle PQR. Th...

    Text Solution

    |

  15. A circle C of radius 1 is inscribed in an equilateral triangle PQR. Th...

    Text Solution

    |

  16. Consider: L1:2x+3y+p-3=0 L2:2x+3y+p+3=0 where p is a real number and...

    Text Solution

    |

  17. The point diametrically opposite to the point P(1, 0) on the circle x^...

    Text Solution

    |