Home
Class 12
MATHS
If a=5, b=13, c=12 in a triangle A B C, ...

If `a=5, b=13, c=12` in a triangle `A B C,` then `tan ((B)/(4))=`

A

`sqrt(3)-1`

B

`sqrt(3)+1`

C

`sqrt(2)+1`

D

`sqrt(2)-1`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • MAXIMA AND MINIMA

    HIMALAYA PUBLICATION|Exercise QUESTION BANK|167 Videos

  • Pair Of Lines

    HIMALAYA PUBLICATION|Exercise QUESTION BANK|129 Videos

Similar Questions

Explore conceptually related problems

If A , B and C are interior angles of a triangle ABC, then show that tan ((A+B) /(2)) =cot C/(2)

In the triangle A B C, a=13, b=14, c=15 then sin (A)/(2)=

In a triangle A B C , if a, b, c are in A.P then tan (A)/(2), tan (B)/(2), tan (C)/(2) are in

In a triangle ABC, a[b cos C - c cos B]=

If in a triangle A B C, tan A+tan B+tan C=6 then cot A . cot B . cot C=

In a triangle ABC, (a+b+c)(b+c-a)=lambdabc if :

In a triangle ABC, a[b cos C - c cos B] =

The triangle A B C is right angled at C, then tan A+tan B=

If in a triangle A B C, a=5, b=4, A=(pi)/(2)+B , then the value of C is

The mid points of B C, C A and A B of the triangle A B C are D=(1,2), E=(4,3) and F=(6,4) then A=

HIMALAYA PUBLICATION-MEASUREMENT OF ANGLES, TRIGONOMETRIC RATIOS AND RELATION BETWEEN SIDES AND ANGLES OF A TRIANGLE-QUESTION BANK
  1. In a triangle A B C, if a, b, c are in A.P then tan (A)/(2), tan (B)/(...

    Text Solution

    |

  2. 4 cos 36^(circ)+cot (7 (1)/(2))^(circ)=

    Text Solution

    |

  3. If a=5, b=13, c=12 in a triangle A B C, then tan ((B)/(4))=

    Text Solution

    |

  4. The value of sin^(2)5^(@)+sin^(2)10^(@)+sin^(2)15^(@)+ . . . .+sin^(2)...

    Text Solution

    |

  5. The triangle A B C is right angled at C, then tan A+tan B=

    Text Solution

    |

  6. The value of (cot 54^(circ))/(tan 36^(circ))+(tan 20^(circ))/(cot 70^(...

    Text Solution

    |

  7. If A and B are two points of a circle of radius r with centre at the p...

    Text Solution

    |

  8. The value of "cos"^(2)(pi)/(12)+"cos"^(2)(pi)/(4)+"cos"^(2)(5pi)/(12) ...

    Text Solution

    |

  9. Radii of two circles are 5 cm and 3 cm respectively and the distance b...

    Text Solution

    |

  10. In a DeltaABC if |(1,a,b),(1,c,a),(1,b,c)|=0 then Sin^(2)A+Sin^(2)B+...

    Text Solution

    |

  11. The acute angle in radians between the minute and the hour hands of a ...

    Text Solution

    |

  12. If 0ltxlt(pi)/(2), then the largest angle of a triangle whose sides ar...

    Text Solution

    |

  13. cos 1^(circ)+cos 2^(circ)+cos 3^(circ)+...+cos 180^(circ)=

    Text Solution

    |

  14. The value of (tan 70^(circ)-tan 20^(circ))/(tan 50^(circ))=

    Text Solution

    |

  15. The circum-radius of the triangle whose sides are 13, 12 and 5 is...

    Text Solution

    |

  16. IfA+B+C = 180^(@) then sumtan(A)/(2)tan(B)/(2)=

    Text Solution

    |

  17. If 0lexlepi and 81^(sin^(2x))+81^(cos^(2x))=30 then x=

    Text Solution

    |

  18. In a triangleABC if the sides are a =3, b = 5 and c = 4then sin(B/2) +...

    Text Solution

    |

  19. If 12 cot^(2)theta - 31 cosec theta+32 = 0 then the value of Sin theta...

    Text Solution

    |

  20. The value of cos(270^(@) + theta) cos (90^(@)-theta) - sin (270^(@) - ...

    Text Solution

    |