Home
Class 12
MATHS
In a DeltaABC, cosecA(sinBcosC+cosBsinC)...

In a `DeltaABC`, cosecA(sinBcosC+cosBsinC)` is equal to

A

`1`

B

`(a)/(c)`

C

`(c)/(a)`

D

`(c)/(ab)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • THREE DIMENSIONAL GEOMETRY

    NIKITA PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS|150 Videos
  • VECTOR

    NIKITA PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS|301 Videos

Similar Questions

Explore conceptually related problems

In DeltaABC,cosecA(sinBcosC+cosBsinC)=

In DeltaABC,cosecA(sinBcosC+cosBsinC)=?

In any DeltaABC,sum(cosA)/(bcosC+ccosB) is equal to

In a /_\ABC , cosec A[sinB.cosC+cosB.sinC]= (A) c/a (B) a/c (C) 1 (D) none of these

In a DeltaABC ,a cos^(2)B/2+bcos^(2)A/2 is equal to

In a DeltaABC , the value of sin""(A+B)/(2) is equal to

If (3-tan^2A)/(1-3tan^2A)=K where K is a real number, then cosecA(3sinA-4sin^3A) is equal to

If G is the centroid of a DeltaABC , then GA^(2)+GB^(2)+GC^(2) is equal to

The any DeltaABC under usual notation ,a(bcos C-c cosB) is equal to

NIKITA PUBLICATION-TRIGONOMETRIC FUNCTIONS-MCQs
  1. If a^(2),b^(2) and c^(2) are in AP, then cotA, cotB and cotC are in

    Text Solution

    |

  2. In triangleABC, (cosA)/(c cosB+bcosC)+(cosB)/(acosC+ccosA)+(cosC)/(aco...

    Text Solution

    |

  3. In a DeltaABC, cosecA(sinBcosC+cosBsinC) is equal to

    Text Solution

    |

  4. In triangleABC, if a=2, B=120^(@), C=30^(@), then the area of triangle...

    Text Solution

    |

  5. If in DeltaABC,(cosA)/(a)=(cosB)/(b)=(cosC)/(c) and side a=2, then th...

    Text Solution

    |

  6. In triangleABC, if a=13, b=14, c=15, then cosB=

    Text Solution

    |

  7. In triangle ABC, if a=13,b=14 and c=15 , then sin.(A)/(2)= ..............

    Text Solution

    |

  8. In triangleABC, if a=13, b=14, c=15, then cos((A)/(2))=

    Text Solution

    |

  9. In triangleABC, if a=13, b=14, c=15, then tan((A)/(2))=

    Text Solution

    |

  10. In triangleABC, if a=13, b=14, c=15, then A(triangleABC)=

    Text Solution

    |

  11. In triangleABC, if a=13, b=14, c=15, then sinA=

    Text Solution

    |

  12. In any triangle ABC, if a="\ "18 , b="\ "24 , c="\ "30 , find cosA, co...

    Text Solution

    |

  13. If in triangle ABC, with usual notations , a=18,b=24,c=30, then sin.(A...

    Text Solution

    |

  14. In triangleABC, if a=18, b=24, c=30, then cos((A)/(2))=

    Text Solution

    |

  15. In triangleABC, if a=18, b=24, c=30, then tan((A)/(2))=

    Text Solution

    |

  16. In triangleABC, if a=18, b=24, c=30, then A(triangleABC)

    Text Solution

    |

  17. In any triangle ABC, if a=\ 18 , b=\ 24 , c=\ 30, findsinA, sinB, sinC

    Text Solution

    |

  18. In triangleABC, if a=18, b=24, c=30, then tanA=

    Text Solution

    |

  19. In triangleABC, (b+c-a)tan((A)/(2))=

    Text Solution

    |

  20. In triangleABC, (c+a-b)tan((B)/(2))=

    Text Solution

    |