Home
Class 11
MATHS
In Delta ABC, if 3 tan ""A/2 tan""C/2=1 ...

In `Delta ABC, if 3 tan ""A/2 tan""C/2=1` then a,b,c are in

A

` A.G. P `

B

` H. P `

C

` A.P `

D

` G.P `

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • PROPERTIES OF TRIANGLES

    AAKASH SERIES|Exercise EXERCISE - II|148 Videos

  • PROPERTIES OF TRIANGLES

    AAKASH SERIES|Exercise PRACTICE EXERCISE|132 Videos

  • PROPERTIES OF TRIANGLES

    AAKASH SERIES|Exercise ADDITIONAL EXERCISE|12 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, if tan""A/2=5/6, tan""C/2=2/5 then

In Delta ABC, r_2 r_3 tan""A/2=

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

In Delta ABC, tan""(A)/(2)+tan ""(B)/(2)=

In Delta ABC, if tan""A/2,tan""B/2, tan""C/2 are in H.P, then a,b,c are in

In Delta ABC, if tan""A/2=t cot ((B-C)/2) , then t=

In Delta ABC, tan 2A+ tan 2B+ tan 2C=

In Delta ABC , tan A + tan B+ tan C=

In Delta ABC, (b+c-a) tan (A//2) =

In Delta ABC, if tanA: tan B: tan C=1:2:3 , then sin A: sin B: sin C =

AAKASH SERIES-PROPERTIES OF TRIANGLES-EXERCISE - 1
  1. If 2 sin ""( A) /( 2) sin ""( C)/(2) = sin "" ( B) /(2) then a,b,c ...

    Text Solution

    |

  2. If 2 cot ""( B)/(2) = cot "" (A) /( 2) + cot "" ( C )/(2) then a,b,...

    Text Solution

    |

  3. In Delta ABC, if 3 tan ""A/2 tan""C/2=1 then a,b,c are in

    Text Solution

    |

  4. Show that Delta =(a^(2))/( 2( cot B+ cot C ) )

    Text Solution

    |

  5. a^(2) sin 2B+ b^(2) sin 2A =

    Text Solution

    |

  6. If c^(2) = a^(2) + b^(2) then 4s ( s-a) ( s-b) ( s-c) =

    Text Solution

    |

  7. ((a^(2) - b^(2) sin A sin B) /( 2 sin ( A- B)))

    Text Solution

    |

  8. a cot A + b cos B + c cos C =

    Text Solution

    |

  9. ( x) /( y ) + (y)/(z) , ( z)/(x) + (z)/(x) + (x)/(y) then the area of...

    Text Solution

    |

  10. In Delta ABC, if a= 2, B=120^@, C=30^@, then the area of the triangle ...

    Text Solution

    |

  11. The diameter of the circumcircle of the triangle whose sides 61,60,11 ...

    Text Solution

    |

  12. If the length of side of an equilateral triangle is 10cm , then R =

    Text Solution

    |

  13. If a cos B = b cos A then the triangle is

    Text Solution

    |

  14. If a = 40 , c= 40 sqrt3, B = 30 ^(@) then nature of triangle is

    Text Solution

    |

  15. In DeltaABC, " if " cos A=( sin B)/( 2 sin C) , then the triangle is

    Text Solution

    |

  16. If ( a^(2) + b^(2))/( a^(2) - b^(2)) = ( sin C)/( sin (A- B)) then tr...

    Text Solution

    |

  17. sum (b^(2) -c^(2))/( a^(2)) sin ^(2) A =

    Text Solution

    |

  18. sum (a^(2) sin ( B- C ))/( sin B+ sin C) =

    Text Solution

    |

  19. In Delta ABC, sum a^2 (cos^2 B-cos^2 C)=

    Text Solution

    |

  20. In Delta ABC, sum (a+b) tan ((A-B)/2)=

    Text Solution

    |