Home
Class 11
MATHS
If the point as (4,7) and (costheta,sint...

If the point as `(4,7)` and `(costheta,sintheta)` , where `0

Promotional Banner

Topper's Solved these Questions

  • THE CIRCLE

    RD SHARMA ENGLISH|Exercise All Questions|145 Videos

  • TRANSFORMATION FORMULAE

    RD SHARMA ENGLISH|Exercise All Questions|145 Videos

Similar Questions

Explore conceptually related problems

If the centroid of a triangle formed by the points (0,0), (costheta, sintheta)a n d\ (sintheta, -costheta) lies on the line y=2x then write the value of t a nthetadot

The distance between the points (costheta,sintheta) and (sintheta,-costheta) is

Prove that the curves x=4 (costheta+sintheta) and y=3 (costheta-sintheta) represents an ellipse.

Simplify the following : cos theta [{:(costheta,-sintheta ),(sintheta,costheta ):}]+sintheta[{:(sintheta,costheta),(-costheta,sintheta):}]

Find the inverse of the matrix [(costheta ,sintheta) ,( -sintheta ,costheta )] .

Write the value of theta in (0,\ pi/2) for which area of the triangle formed by points O(0,0),\ A(a\ costheta,\ b sintheta)a n d\ B(a\ costheta,\ -b\ sintheta) is maximum.

If x=(2sintheta)/(1+costheta+sintheta) , then prove that (1-costheta+sintheta)/(1+sintheta) is equal to x .

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

A value of theta satifying 4costheta sintheta - 2sintheta =0 is

If 3costheta-4sintheta=2costheta+sintheta , find tantheta .

RD SHARMA ENGLISH-THE STRAIGHT LINES -All Questions
  1. Find the slope of the lines which make an angle of 45^0 with the line ...

    Text Solution

    |

  2. . The lines (a+b)x + (a-b) y-2ab=0, (a-b)x+(a+b)y-2ab = 0 and x+y=0 f...

    Text Solution

    |

  3. If the point as (4,7) and (costheta,sintheta) , where 0<theta<pi , lie...

    Text Solution

    |

  4. Find the centroid and in-centre of the triangle, equations of whose s...

    Text Solution

    |

  5. The vertices of a triangle are [a t1t2,a(t1 +t2)], [a t2t3,a(t2 +t3)],...

    Text Solution

    |

  6. Find the tangent of the angle between the lines whose intercepts on th...

    Text Solution

    |

  7. Find the value of k if the straight line 2x+3y+4+k(6x-y+12)=0 is perpe...

    Text Solution

    |

  8. Find the values of beta so that the point (0,beta) lies on or inside t...

    Text Solution

    |

  9. Find the values of alpha so that the point P(alpha^2,alpha) lies insid...

    Text Solution

    |

  10. Prove that the area of the parallelogram formed by the lines a1x+b1y+c...

    Text Solution

    |

  11. Show that the diagonals of the parallelogram whose sides are l x+m y+n...

    Text Solution

    |

  12. Find the ratio in which the line 3x+4y+2=0 divides the distance betwee...

    Text Solution

    |

  13. Prove that the area of the parallelogram formed by the lines xcosalpha...

    Text Solution

    |

  14. Find the equation of the perpendicular bisector of the line segment ...

    Text Solution

    |

  15. The vertices of a triangle are A(10 ,4),B(-4,0)a n dC(-2, 8)dot Find t...

    Text Solution

    |

  16. Two sides of a square lie on the lines x+y=1a n dx+y+2=0. What is its ...

    Text Solution

    |

  17. Prove that the line 5x-2y-1=0 is mid-parallel ot the lines 5x-2y-9=0a ...

    Text Solution

    |

  18. Find the equation of a line that has y - intercept 4 and is perpendic...

    Text Solution

    |

  19. P1, P2 are points on either of the two line y-sqrt(3)|x|=2 at a distan...

    Text Solution

    |

  20. Find the equation of a line has y-i n t ercept is -4 and is parallel ...

    Text Solution

    |