Home
Class 11
MATHS
In a DeltaABC, a,b,c are the sides of th...

In a `DeltaABC,` a,b,c are the sides of the triangle opposite to the angles A,B,C respectively. Then the value of `a^3sin(B-C)+b^3 sin(C-A)+c^3 sin(A-B)` is equal to

A

0

B

1

C

3

D

2

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • SETS AND RELATIONS

    PATHFINDER|Exercise QUESTION BANK|56 Videos
  • STATISTICS

    PATHFINDER|Exercise QUESTION BANK|45 Videos

Similar Questions

Explore conceptually related problems

(iv) a sin (B-C) + b sin(C-A) + c sin (A-B)=0

(xiii) a^(3) sin (B-C) + b^(3) sin (C-A) + c^(3) sin(A-B)=0

In a triangle ABC , if a,b,c are the sides opposite to angles A , B , C respectively, then the value of |{:(bcosC,a,c cosB),(c cosA,b,acosC),(acosB,c,bcosA):}| is

Let PQR be a triangle of area Delta with a=2,b=7/2 and c=5/2 , where a,b and c are the lengths of the sides of the triangle opposite to the angles at P,Q and R respectively. Then ((2sinP-sin2P)/ (2sinP+sin2P)) equals

ABC is a right angled triangle, then the value of sin^(2)A + sin^(2)B + sin^(2)C will be-

If in a triangle ABC, b sin B = c sin C, then the triangle is-

In any triangle ABC, the value of (b^(2)sin 2C + c^(2) sin 2B) is-

If A+C=2b, then the value of (cos C - cos A)/(sin A-sin C) is-

In a DeltaABC prove that: a^3cos(B-C)+b^3cos(C-A)+c^3cos(A-B)=3abc

In a triangle ABC, if the sides are a=3, b=5, c=4, thenb the value of (sin ""B/2+ cos ""B/2) is equal to-

PATHFINDER-SOLUTION OF TRIANGLE AND HEIGHT AND DISTANCE-QUESTION BANK
  1. prove that cosA +cosB+cosC=1+r/R.

    Text Solution

    |

  2. The sides of a triangle are x^2+3x+3,2x+3,x^2+2x. Find the greatest a...

    Text Solution

    |

  3. If P1,P2,P3 be the altitudes of a triangle from the vertices A,B,C Res...

    Text Solution

    |

  4. If in triangleABC ,a^4+b^4+c^4=2c^2(a^2+b^2) then find angleC

    Text Solution

    |

  5. Let h1,h2,h3 be the altitudes of the DeltaABC and let the inradius be ...

    Text Solution

    |

  6. For any triangle ABC, find the value of (bc cos^2(A/2)+cacos^2(B/2)+a...

    Text Solution

    |

  7. If in a DeltaABC, sin^3A+sin^3B+sin^3C=3sinA.sinB.sinC,then find the v...

    Text Solution

    |

  8. AD is a median of the DeltaABC.If AE and AFare medians of the triangle...

    Text Solution

    |

  9. In a triangle DeltaXYZ, let a,b and c be the lengths of the sides opp...

    Text Solution

    |

  10. In a triangle DeltaXYZ, let a, b, and c be the length of the sides opp...

    Text Solution

    |

  11. If the angles of elevation of the top of a water from three collinear ...

    Text Solution

    |

  12. If in a triangle DeltaABC,a^2cos^2A-b^2-c^2=0, then

    Text Solution

    |

  13. In a triangle ABC,angleC=90^@, r and R are the inradius and circumra...

    Text Solution

    |

  14. A bird is sitting on the top of a vertical pole 20 m high and its elev...

    Text Solution

    |

  15. In a DeltaABC, tanA and tanB are the roots of pq(x^2+1)=r^2x. Then Del...

    Text Solution

    |

  16. In a DeltaABC, a,b,c are the sides of the triangle opposite to the ang...

    Text Solution

    |

  17. Let PQR be a triangle of area Delta with a=2,b=7/2 and c=5/2, where a,...

    Text Solution

    |

  18. Let p,q,r be the sides opposite to the angles P,Q,R respectively in a ...

    Text Solution

    |

  19. Let p,q,r be the altitudes of a triangle with area s and perimeter 2t....

    Text Solution

    |

  20. If in a triangle ABC, sinA, sinB,sinC are in A.P., then

    Text Solution

    |