Home
Class 12
MATHS
In a Delta ABC a/b=2+sqrt(2) " and " ang...

In a `Delta ABC a/b=2+sqrt(2) " and " angle C = 60 ^@` Then the ordered pair `(angle A , angle B)` is equal to :

A

`(45^(@), 75^(@))`

B

`(105^(@), 15 ^(@))`

C

`(15 ^(@), 105^(@))`

D

`(75^(@), 45^(@))`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRIC FUNCTIONS

    DISHA PUBLICATION|Exercise EXERCISE-1|70 Videos
  • TRIGONOMETRIC FUNCTIONS

    DISHA PUBLICATION|Exercise EXERCISE-2|30 Videos
  • THREE DIMENSIONAL GEOMETRY

    DISHA PUBLICATION|Exercise Exercise -2 : Concept Applicator|30 Videos
  • VECTOR ALGEBRA

    DISHA PUBLICATION|Exercise EXERCISE -2 : CONCEPT APPLICATOR|30 Videos

Similar Questions

Explore conceptually related problems

If in a Delta ABC, angle A = 45^(@) , angle B = 75^(@), then

In a Delta ABC if b=a(sqrt(3)-1) and /_C=30^(@) then the measure of the angle A is

In a triangle ABC,a/b=2+sqrt(3) and /_C=60^(@) then angle A and B is

In a Delta ABC angle A + angle B = 145^(@), 2 angle B + angle C = 180^(@) Find angle A and angle B

In a Delta ABC b= sqrt(3)+1, c=sqrt(3)-1 , angle A = 60 ^@ then the value of tan (B-C)/(2) is :-

With the usual notation , in Delta ABC if angle A+ angle B= 120^@ ,a=sqrt(3)+1 " and " b= sqrt(3)-1 then the ratio angle A : angle B is :

In a Delta ABC angle C = 60^(@) angle B = 90^(@) find the ratio of sides

DISHA PUBLICATION-TRIGONOMETRIC FUNCTIONS -EXERCISE-2
  1. In a Delta ABC a/b=2+sqrt(2) " and " angle C = 60 ^@ Then the ordered ...

    Text Solution

    |

  2. The expression (1 + sin 2 alpha )/( cos (2 alpha - 2pi) tan (alpha - (...

    Text Solution

    |

  3. Solve the inequality, cosxle-1/2.

    Text Solution

    |

  4. Two men are on the opposite sides of a tower. They measure the angles ...

    Text Solution

    |

  5. The range of vlaues of the expression 5 cos theta + 3 cos (theta + (pi...

    Text Solution

    |

  6. The value of (1-tan^2 1 5^(@))/(1+tan^2 1 5^(@)) is

    Text Solution

    |

  7. Which pairs of function is identical ?

    Text Solution

    |

  8. If y=(sinx+cos e cx)^2+(cosx+secx)^2 , then the minimum value of y ,AA...

    Text Solution

    |

  9. If tan ((pi)/(4) + theta) + tan ((pi )/(4) - theta) = p sec 2 theta) t...

    Text Solution

    |

  10. Period of sin theta - sqrt2 cos theta is

    Text Solution

    |

  11. tan^(6)20^(@) - 33tan^(2) 20^(@) + 27 tan^(2) 20^(@) + 4=

    Text Solution

    |

  12. Which of the following is correct ?

    Text Solution

    |

  13. if:f(x)=(sinx)/(sqrt(1+tan^2x))-(cosx)/(sqrt(1+cot^2x)), then find the...

    Text Solution

    |

  14. If sin x + sin ^(2) x=1, then the value of cos ^(12) x+3 cos ^(10) x+...

    Text Solution

    |

  15. The value of sin ""(pi)/(16) sin ""(3pi)/(16) sin ""(5pi)/(16) sin ""(...

    Text Solution

    |

  16. General solution of the equation 2 cot ^(2) theta + 2sqrt3 cot theta...

    Text Solution

    |

  17. A man observe that was he has climbed up 1/3 of the length of an incli...

    Text Solution

    |

  18. The number of solutions of tan x+ sec x=2 cos x in (0, 2pi) is

    Text Solution

    |

  19. If sinA=3/5, 0 lt A lt pi/2 and cosB=-12/13, pi lt B lt (3pi)/2, then ...

    Text Solution

    |

  20. The domain of f(x)= sqrt(cos(sinx))+sqrt(logx{x}) where {x} denotes fr...

    Text Solution

    |

  21. The range of f(x) = cos x - sin x is

    Text Solution

    |