Home
Class 11
MATHS
In Delta ABC , (a)/( cos A) = (b) /( co...

In ` Delta ABC , (a)/( cos A) = (b) /( cos B ) = ( c ) /( cos C ) , If b= 2` then the area of the triangle is

A

`sqrt2`

B

` sqrt3`

C

` 2`

D

`3`

Text Solution

Verified by Experts

The correct Answer is:
B
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

If (a)/( cos A) = (b)/( cos B) = (c ) /( cos C) , then show that Delta ABC is equilateral.

In Delta ABC,a(b cos C-c cos B)=

In Delta ABC, (b-a cos C)/(c-a cos B)=

In Delta ABC , a( b cos C - c cos B) =

In Delta ABC, (cos C+ cos A)/(c+a)+(cos B)/b=

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

In Delta ABC , ( bc cos A + c a cos B + ab cos C) /( cot A + cot B + cot C )=

In Delta ABC , if a( b cos C + c cos B ) = 2ka^(2) , then k=

In Delta ABC Prove that cos A + cos B+ cos C =1 + ( r ) / ( R )

In Delta ABC, (cos A)/(c sin B)+(cos B)/( a sin C)+(cos C)/( b sin A) =

AAKASH SERIES-PROPERTIES OF TRIANGLES-EXERCISE - II
  1. In a triangle ABC, C=90^@. Then (a^2-b^2)/(a^2+b^2)=

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  15. In Delta ABC, if (2 cos A)/a+ (cos B)/b+ (2 cos C)/c=a/(bc)+b/(ca), th...

    Text Solution

    |

  16. The straight roads intersect at angle of 60^@. A bus on one road is 2k...

    Text Solution

    |

  17. The lengths of the two larger sides of a triangle are 10 and 9. If the...

    Text Solution

    |

  18. In Delta ABC, if B=90^@ then tan""A/2=

    Text Solution

    |

  19. In Delta ABC , if A = 3C " then " (a-c)/( 2c ) =

    Text Solution

    |

  20. Two sides of a triangle are given by the roots of the equation x^2-5x+...

    Text Solution

    |