Home
Class 12
MATHS
In a Delta ABC, sin B : sin (A + B) =...

In a `Delta ABC, sin B : sin (A + B) =`

A

`b : (a +b)`

B

`b:c`

C

`c:b`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRIC FUNCTIONS

    MARVEL PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS - PART-B: MASTERING THE BEST|27 Videos
  • TRIGONOMETRIC FUNCTIONS

    MARVEL PUBLICATION|Exercise MASTERING THE BEST - ALL TOPICS|128 Videos
  • TRIGONOMETRIC FUNCTIONS

    MARVEL PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS - PART - A : BUILDING-UP THE BASE (B) Properties of triangles|27 Videos
  • THREE DIMENSIONAL GEOMETRY

    MARVEL PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS|39 Videos
  • VECTORS

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP|20 Videos

Similar Questions

Explore conceptually related problems

In any Delta ABC, sum a(sin B - sin C) =

In a Delta ABC , 2 sinA cos B + 2 sin B cos C + 2 sin cos A = sin A + sin B + sin C, then Delta ABC is

If in a Delta ABC, cos B = (sin A)/(2 sin C), then the triangle is

In any Delta ABC, sum a sin (B -C) =

If in a Delta ABC, sin ^(3) A + sin ^(3) B+ sin ^(3) C =3 sin A .Sin B. sin C, then find the valueof determinant |{:(a,b,c),(b,c,a),(c,a,b):}|.

In a Delta ABC if tan B=(2sin A sin C)/(sin(A+C)) then tan A,tan B,tan C are in

Prove that in any Delta ABC,a sin(B-C)+b sin(C-A)+c sin(A-B)=0

In a Delta ABC,(sin A)/(sin C)=(sin(A-B))/(sin(B-C)), then a^(2),b^(2),c^(2) are in

MARVEL PUBLICATION-TRIGONOMETRIC FUNCTIONS-MULTIPLE CHOICE QUESTIONS - PART - B : MASTERING THE BEST
  1. If, in triangleABC, (s-a)(s-b)=s(s-c), then: angleC=

    Text Solution

    |

  2. If, in a Delta ABC, (s - b)(s-c) = x cdot sin^(2) (A/2), then : x =

    Text Solution

    |

  3. In a Delta ABC, sin B : sin (A + B) =

    Text Solution

    |

  4. If, in a Delta ABC, c^(2) + a^(2) - b^(2) = ac, then : /B =

    Text Solution

    |

  5. In a Delta ABC, if : a = 16, b = 24 and c = 20 then : cos(B/2) =

    Text Solution

    |

  6. In Delta ABC, cscA (sin B cos C + cos B sin C) =

    Text Solution

    |

  7. If sides a,b,c of Delta ABC are in A.P., then : sin (A/2) cdot sin (C...

    Text Solution

    |

  8. If, in a Delta ABC, a = 6cm , b = 8 cm, c = 10cm, then : sin 2A =

    Text Solution

    |

  9. In DeltaABC if /C=90^@ then R+r=

    Text Solution

    |

  10. In Delta ABC, (cos((B-C)/2))/(cos (A/2))=

    Text Solution

    |

  11. In DeltaABC, if sin A sin B=(ab)/(c^(2)), then the triangle is

    Text Solution

    |

  12. If : a = 9, b = 8 and c = x satisfies 3 cos C = 2, then : x =

    Text Solution

    |

  13. If in a Delta ABC, b =sqrt3, c=1 and B-C =90^(@), then angle A is

    Text Solution

    |

  14. In Delta ABC, if : a = 2 cm , b = 3cm and c = 4cm, then /A =

    Text Solution

    |

  15. If : a = 2, b = 3, c = 5 in Delta ABC, then : /C=

    Text Solution

    |

  16. If one side of a triangle is double the other, and the angles on oppos...

    Text Solution

    |

  17. In a triangle ABC, if (cos A)/(a) =(cos B)/(b ) =(cos C)/(c) and the ...

    Text Solution

    |

  18. In a A B C ,if=2,/B=60^0a n d/C=75^0 , then b= sqrt(3) (b) sqrt(6) ...

    Text Solution

    |

  19. In triangleABC, If A= 30^(@), b=8, a=6 where B = sin^(-1)x, then: x=

    Text Solution

    |

  20. In Delta ABC, if : sin(A/2) .sin (C/2) = sin (B/2) then : semiperimete...

    Text Solution

    |