Home
Class 11
MATHS
In Delta ABC " if " 3 sin A = 6 sin B ...

In ` Delta ABC " if " 3 sin A = 6 sin B = 2 sqrt3 sin C , " then " angle A = `

A

` 90 ^(@) `

B

` 45 ^(@) `

C

` 60 ^(@) `

D

` 15 ^(@) `

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • PROPERTIES OF TRIANGLES

    AAKASH SERIES|Exercise PRACTICE EXERCISE|132 Videos

  • PROPERTIES OF TRIANGLES

    AAKASH SERIES|Exercise LECTURE SHEET EXERCISE - I ( Straight Objective Type Questions ) |58 Videos

  • PROPERTIES OF TRIANGLES

    AAKASH SERIES|Exercise EXERCISE - 1|98 Videos

  • PLANES

    AAKASH SERIES|Exercise ADVANCED SUBJECTIVE TYPE QUESTIONS|30 Videos

  • PROPERTIES OF VECTORS

    AAKASH SERIES|Exercise PRACTICE EXERCISES|55 Videos

Similar Questions

Explore conceptually related problems

In Delta ABC, sin A + sin (B-C)=

In Delta ABC, sin A: sin B: sin C is

In Delta ABC, sum a^3 sin (B-C) =

In Delta ABC, if cos A cos B+ sin A sin B sin C=1 , then the triangle is

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

In Delta ABC , if a=5 ,b=6, sin A=5//6 ,then B=

In Delta ABC , if ( sin A)/(4) = (sin B)/(5) = (sin C)/( 6) then the value of cos A +cos B +cos C =

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

In Delta ABC , R^(2) ( sin 2A +sin 2B+ sin 2C) =

AAKASH SERIES-PROPERTIES OF TRIANGLES-EXERCISE - II
  1. If a: b: c = 2 : sqrt 6 : ( sqrt3+ 1 ) " then " angle C =

    Text Solution

    |

  2. In Delta ABC, " if " sin A , sin B are roots of c^(2) x^(2) - c( a...

    Text Solution

    |

  3. In Delta ABC " if " 3 sin A = 6 sin B = 2 sqrt3 sin C , " then " a...

    Text Solution

    |

  4. The perimeter of a Delta ABC is 6 times the A.M. of the sines of its a...

    Text Solution

    |

  5. The radius of the circumcircle of an isosceles triangle PQR is equal t...

    Text Solution

    |

  6. If b= 3, c= 4 angle B = (pi )/(3) then number of triangles that can b...

    Text Solution

    |

  7. In a triangle ABC, C=90^@. Then (a^2-b^2)/(a^2+b^2)=

    Text Solution

    |

  8. If A = 2 B then a^(2) =

    Text Solution

    |

  9. In Delta ABC , (a)/( cos A) = (b) /( cos B ) = ( c ) /( cos C ) , If ...

    Text Solution

    |

  10. The base of a triangle is 80 and one of the base angles is 60^@. IF th...

    Text Solution

    |

  11. If the sides of trinangles are x^(2) + x+ 1,2 x + 1 , x^(-2) -1 wher...

    Text Solution

    |

  12. The sides of a triangle are sin alpha,cos alpha and sqrt(1+sin alpha c...

    Text Solution

    |

  13. In Delta ABC if b+c:c+a:a+b=11:12:13, then cos A: cos B: cos C=

    Text Solution

    |

  14. The smallest angle of the triangle whose sides are 6+sqrt12,sqrt48,sqr...

    Text Solution

    |

  15. In DeltaABC, " if" (1)/(a+c)+(1)/(b+c)=(3)/(a+b+c) then show that C=...

    Text Solution

    |

  16. If DeltaABC, ifangleC=(pi)/(3), "then"(3)/(a+b+c)-(1)/(a+c) equals

    Text Solution

    |

  17. If C=60^(@), " then show that"(a)/(b+c)+(b)/(c+a)=1

    Text Solution

    |

  18. If angles A,B,C are in A.P . , then 2cos (( A-C)/( 2))=

    Text Solution

    |

  19. If C = 60 ^(@) " then "= ( b)/( c^(2) -a^(2)) + ( a) /( c^(2)- b^(2...

    Text Solution

    |

  20. In an acute angled Delta ABC , if a^(4) + b^(4) +c^(4) = 2c^(2)...

    Text Solution

    |