Home
Class 12
MATHS
In a triangleABC if the sides are a =3, ...

In a `triangleABC` if the sides are a =3, b = 5 and c = 4then `sin(B/2) + cos(B/2)`is equal to

A

`sqrt(2)`

B

`(sqrt(3)+1)/(2)`

C

`(sqrt(3)-1)/(2)`

D

1

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • KARNATAKA CET 2003

    KCET PREVIOUS YEAR PAPERS|Exercise MATHEMATICS|60 Videos
  • KARNATAKA CET 2006

    KCET PREVIOUS YEAR PAPERS|Exercise MATHEMATICS|60 Videos

Similar Questions

Explore conceptually related problems

If A + B+ C = 3 pi//2 , then the value of cos 2 A + cos 2 B + cos2 C is equal to

If the angles A, B, C of a triangle are in A . P and sides a, b, c are in G.P, then a^(2), b^(2), c^(2) are in

Let A ={1, 2}, B = {3, 4} and C = {4, 5}. Then (A-B) xx (B-C) is

If tan theta=(a)/(b), then b cos 2 theta+a sin 2 theta is equal to

If any triangle A B C sin ^(2) A+sin ^(2) B-sin ^(2) C=

If any triangle A B C, the simplified form of (cos 2 A)/(a^(2))-(cos 2 B)/(b^(2)) is

If sin A+sin B=a and cos A+cos B=b then cos (A+B)=

KCET PREVIOUS YEAR PAPERS-KARNATAKA CET 2005-MATHEMATICS
  1. The equation to the hyperbola having its eccentricity 2 and the distan...

    Text Solution

    |

  2. he solution of sin^(-1)' x-sin^(-1)' 2x=+-(pi)/(3)is…...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  5. The two circles x^(2) + y^(2) - 2x + 22y + 5 = 0 and x^(2) + y^(2) + 1...

    Text Solution

    |

  6. The radius of the circle x^(2) + y^(2) + 4x + 6y +13 = 0 is...

    Text Solution

    |

  7. The centre of the circle x = 2 + 3 cos theta y = 3 sin theta -1 is ...

    Text Solution

    |

  8. The sum of the focal distances of any point on the conic (x^(2))/(25)+...

    Text Solution

    |

  9. The eccentricity of the hyperbola(x^(2))/(16)+(y^(2))/(25)=1is...

    Text Solution

    |

  10. The solutions of the equation |(x,2,-1),(2,5,x),(-1,2,x)|=0 are

    Text Solution

    |

  11. If A=[(3,5),(2,0)] and B = [(1,17),(0,-10)] then |AB| is equal to

    Text Solution

    |

  12. The inverse of the matrix[underset(3)(5)     underset(1)(-2)]is….

    Text Solution

    |

  13. The projection of the vector 2overset(^)(i)+overset(^)(j)-3overset(^)(...

    Text Solution

    |

  14. A unit vector perpendicular to the plane containing the vectorsoverset...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  17. If tan^(-1) x + tan^(-1) y =(pi)/(4) then...

    Text Solution

    |

  18. The general solution of sin x - cos x= sqrt2, for any integer 'n' is

    Text Solution

    |

  19. The amplitude of (1+sqrt(3i))/(sqrt(3)+i) is

    Text Solution

    |

  20. The sum to infinity of the progression9-3+1 -(1)/(3) + .... is

    Text Solution

    |