Home
Class 12
MATHS
In Delta ABC, if B=90^@ then tan""A/2=...

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

A

`sqrt((b-c)/(b+c))`

B

`sqrt((b+c)/(a+c))`

C

`sqrt((b+c)/(b-a))`

D

`sqrt((b+c)/(a+c))`

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, if C=90^@ then 2(r+R)=

In Delta ABC, if C=90^@ then (a^2+b^2)/(a^2-b^2)sin (A-B) =

In Delta Abc, if A=90^@ then r_2+r_3=

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

In Delta ABC, if x=tan((B-c)/2)tan""A/2,y=tan((C-A)/2)tan""B/2,z=tan((A-B)/2)tan""C/2 , then x+y+z (In terms of x,y,z only ) is

In Delta ABC, if tan""A/2=5/6, tan""C/2=2/5 then

In Delta ABC, " if " tan""(A)/(2)=(5)/6 , tan""(B)/(2)=(20)/(37) " then " tan""(C)/(2)=

DIPTI PUBLICATION ( AP EAMET)-PROPERTIES OF TRIANGLES -EXERCISE 1A
  1. In Delta ABC, if C=60^@ then b/(c^2-a^2)+a/(c^2-b^2)=

    Text Solution

    |

  2. In Delta ABC, if a/(b^2-c^2)+c/(b^2-a^2)=0 then B=

    Text Solution

    |

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

    Text Solution

    |

  4. In Delta ABC, if C=90^@then (a^2+b^2)/(a^2-b^2)sin (A-B)=

    Text Solution

    |

  5. In Delta ABC if 1/(b+c)+1/(c+a)=3/(a+b+c) then C=

    Text Solution

    |

  6. In Delta ABC, if (a+b+c)(a+b-c) =3ab, then C=

    Text Solution

    |

  7. In Delta ABC if A=60^@, then the value of (1+a/c+b/c)(1+c/b-a/b)=

    Text Solution

    |

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

    Text Solution

    |

  9. In Delta ABC , if ( sin A)/(4) = (sin B)/(5) = (sin C)/( 6) then th...

    Text Solution

    |

  10. In Delta ABC, if a:b:c=3:4:5, then sin A:sin B:sin C=

    Text Solution

    |

  11. In a /\ABC, if a:b:c = 7:8:9, then find cosA:cosB:cosC.

    Text Solution

    |

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

    Text Solution

    |

  13. In Delta ABC, if cos A=17//22, cos C =1//14, then a:b:c=

    Text Solution

    |

  14. In Delta ABC, if cot""A/2:cot""B/2:cot""C/2=3:7:9, then a:b:c=

    Text Solution

    |

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

    Text Solution

    |

  16. In a triangle ABC, (s-a)/11=(s-b)/12=(s-c)/13, then tan^2 (A//2)=

    Text Solution

    |

  17. In a triangle ABC, if cot""A/2 cot""B/2=c, cot""B/2 cot""C/2=a and cot...

    Text Solution

    |

  18. In Delta ABC, B=45^@, C=120^@,a=40 cm, the length of the perpendicular...

    Text Solution

    |

  19. If H is the orthocentre of Delta ABC, then AH=

    Text Solution

    |

  20. IF H is the orthocentre of Delta ABC and if AH=x, BH=y, CH=z, then a/x...

    Text Solution

    |