Home
Class 12
MATHS
In a DeltaABC,(a+b+c)(tan""A/2+tan""B/2)...

In a `DeltaABC,(a+b+c)(tan""A/2+tan""B/2)=`

A

`2c cot""C/2`

B

`2a cot""A/2`

C

`2b cot""B/2`

D

`tan""C/2`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • PROPERTIES OF TRIANGLES

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 1B|111 Videos

  • PROPERTIES OF TRIANGLES

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 1C|45 Videos

  • PROPERTIES OF TRIANGLES

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 2 (SPECIAL TYPE QUESTIONS) Set-4|10 Videos

  • PRODUCTS OF VECTORS

    DIPTI PUBLICATION ( AP EAMET)|Exercise Exercise 2 (Special Type Questions) SET -D|14 Videos

  • QUADRATIC EXPRESSIONS

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 2 ( SPECIAL TYPE QUESTIONOS ) ( SET -4)|4 Videos

Similar Questions

Explore conceptually related problems

In Delta ABC, (a+b+c)(tan""A/2+tan""B/2)tan""C/2=

In a DeltaABC,sum(b+c)tan""A/2tan((B-C)/2)=

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

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

In Delta ABC ,(a+b+c) (tan ""(A)/(2) +tan ""(B)/(2) ) tan "" ( C) /(2) =

In Delta ABC, if tan ""(A)/(2), tan""(B)/(2) , tan""(C)/(2) are in A.P. then cos A , cos B , cos C are in

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

In DeltaABC , tan""((A+B)/(2))*tan""(C)/(2)=

In a DeltaABC , if "tan"(A)/(2),"tam"(B)/(2),"tan"(C)/(2) are in H.P then a,b,c, are in

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

DIPTI PUBLICATION ( AP EAMET)-PROPERTIES OF TRIANGLES -EXERCISE 1A
  1. In DeltaABC,(b-c)/(b+c)cot""A/2+(b+c)/(b-c) tan""A/2=

    Text Solution

    |

  2. In a DeltaABC,sum(b+c)tan""A/2tan((B-C)/2)=

    Text Solution

    |

  3. In a DeltaABC,(a+b+c)(tan""A/2+tan""B/2)=

    Text Solution

    |

  4. In Delta ABC, (a+b+c)(tan""A/2+tan""B/2)tan""C/2=

    Text Solution

    |

  5. In Delta ABC, (a-b)^2cos^2""C/2+(a+b)^2sin^2""C/2=

    Text Solution

    |

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

    Text Solution

    |

  7. In DeltaABC,(bc cosA+ca cos B+ab cosC)/(cotA+cot B+cotC)=

    Text Solution

    |

  8. In DeltaABC,(cot(A//2)+cot(B//2)+cot(C//2))/(cotA+cotB+cotC)=

    Text Solution

    |

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

    Text Solution

    |

  10. In Delta ABC,a^2 sin 2C+c^2 sin 2A=

    Text Solution

    |

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

    Text Solution

    |

  12. In Delta ABC, if A,B,C are in A.P then (a+c)/sqrt(a^2-ac+c^2)=

    Text Solution

    |

  13. In Delta ABC, if a,b,c are in A.P the greatest angle is A and least is...

    Text Solution

    |

  14. In Delta ABC, if x=tan((B-c)/2)tan""A/2,y=tan((C-A)/2)tan""B/2,z=tan(...

    Text Solution

    |

  15. In Delta ABC, if cos A+2 cos B+cos C=2, then the sides of the triangle...

    Text Solution

    |

  16. In Delta ABC, if a sin^2""C/2+c sin^2""A/2 in terms of s,a,b,c is

    Text Solution

    |

  17. In Delta ABC, if c cos^2""A/2+a cos^2 ""C/2 in terms of s is

    Text Solution

    |

  18. In Delta ABC, (b-c)^2 +4bc sin^2 (A//2)=

    Text Solution

    |

  19. In Delta ABC, if b=(c+a) cos theta, then sin theta=

    Text Solution

    |

  20. In Delta ABC, if c=(a-b) sec theta, then tan theta=

    Text Solution

    |