Home
Class 12
MATHS
Prove by vector method that in any trian...

Prove by vector method that in any triangle ABC, `a/sinA=b/sinB=c/sinC`.

Promotional Banner

Topper's Solved these Questions

  • TEST PAPER 2

    MODERN PUBLICATION|Exercise PROBLEM|74 Videos

  • TEST PAPER 4

    MODERN PUBLICATION|Exercise PROBLEM|64 Videos

Similar Questions

Explore conceptually related problems

Prove by vector method that in any triangle ABC, the point P being on the side vec(BC) , if vec(PQ) is the resultant of the vectors vec(AP) , vec(PB) and vec(PC) , then ABQC is a parallelogram.

Prove the following by vector method. in any triangle ABC, a = bcosC+c cosB.

Prove by vector method that the medians of a triangle are concurrent.

In any triangle ABC, prove by vector method that frac[a][sinA]=frac[b][sinB]=frac[c][sinC]

Prove the following by vector method. In a triangle AOB, mangleAOB = 90^@ . If P and Q are the points of trisection of AB, prove that OP^2+OQ^2 = 5/9 AB^2

MODERN PUBLICATION-TEST PAPER 3-PROBLEM
  1. Solve :(1 + y^2).dx+xdy = tan^-1y dy

    Text Solution

    |

  2. A plane meets the coordinate axes at A, B and C respectivély. If the c...

    Text Solution

    |

  3. Prove by vector method that in any triangle ABC, a/sinA=b/sinB=c/sinC.

    Text Solution

    |

  4. Prove that the acute angle between the lines whose direction cosines a...

    Text Solution

    |

  5. Let f : W rarr W be defined as f (x) = x -1 if x is odd and f(x) = x +...

    Text Solution

    |

  6. Constract the composition table/multiplication table for the binary op...

    Text Solution

    |

  7. Let A = ( ( 1 2 2) , (2 1 2), (2 2 1)).Find A^-1 and hence show A^2-4A...

    Text Solution

    |

  8. Prove that the following. [[b^2+c^2,ab,ac],[ab,c^2+a^2,bc],[ca,cb,a^2+...

    Text Solution

    |

  9. Show that the sum of the intercepts on the coordinate axes of any tang...

    Text Solution

    |

  10. Shows that the triangle of greatest area that can be inscribed in a ci...

    Text Solution

    |

  11. Find the area of the région on closed between y = 4x-1 and y^2=2x

    Text Solution

    |

  12. Write fog if f:R rarr R and g: R rarr R is given by f(x) = | x| and g(...

    Text Solution

    |

  13. Evaluate : tan^(-1)((-1)/sqrt3)+cot^(-1)(1/sqrt3)+tan^(-1)(sin(-π/2)).

    Text Solution

    |

  14. If | adj A | = 64 then find | A |

    Text Solution

    |

  15. Evaluate the following : [[sin^2theta,cos^2theta,1],[cos^2theta,sin^2t...

    Text Solution

    |

  16. A differentiable function f defined for all x > 0 and satisfies f(x^2)...

    Text Solution

    |

  17. Write the minimum value of y2 where y=sin^2x cos^2x

    Text Solution

    |

  18. Evaluate int-1^1e^|x| dx

    Text Solution

    |

  19. Write the vector equation ofthe plane whose cartesian equation is x + ...

    Text Solution

    |

  20. Let A (1,2,3). Then, find the number of equivalence relations containi...

    Text Solution

    |