Home
Class 11
MATHS
In a triangle A B C ,/A=60^0a n db : c=(...

In a triangle `A B C ,/_A=60^0a n db : c=(sqrt(3)+1):2,` then find the value of `(/_B-/_C)dot`

Promotional Banner

Topper's Solved these Questions

  • STRAIGHT LINES

    CENGAGE PUBLICATION|Exercise All Questions|486 Videos

Similar Questions

Explore conceptually related problems

If an a triangle A B C , b=3 c, a n d C-B=90^0, then find the value of tanB

In triangle ABC , A=60^@,B=45^@ and a=2sqrt3 , then find b?

If the angles of the triangle ABC are in A.P. and b:c= sqrt3:sqrt2 then find the value of angleA

In a triangle ABC the angle A=60^(@) and b:c = (sqrt(3)+1):2 . Find the other two angles B and C.

In a triangle A B C , if A-B=120^0a n dsin(A/2)sin(B/2)sin(C/2)=1/(32), then the value of 8cosC is_______

In triangleABC, angleA=60, b = sqrt(3)+1 and c = sqrt(3)-1 then the value of tan ((B-C)/2) is-

In a triangle ABC if b+c=3a then find the value of cot(B/2)cot(C/2)

If in triangle A B C, \delta = a^2-(b-c)^2 , then find the value of tanAdot

In a triangle ABC, a =sqrt3 +1, b = 30^(@)and C= 45^(@) , then the value of c is -

If an a triangle A B C , a=3b and B-A=90^0, then find the value of tanA

CENGAGE PUBLICATION-TRIGONOMETRIC FUNCTIONS-All Questions
  1. In a scalene triangle A B C ,D is a point on the side A B such that C ...

    Text Solution

    |

  2. In a "DeltaA B C","\ "/"C"=60"\ "&\ /A=75. If D is a point on A C such...

    Text Solution

    |

  3. In a triangle A B C ,/A=60^0a n db : c=(sqrt(3)+1):2, then find the va...

    Text Solution

    |

  4. A tower subtends angles alpha,2alpha,3alpha respectively, at point A ,...

    Text Solution

    |

  5. In a triangle, if the angles A , B ,a n dC are in A.P. show that 2cos1...

    Text Solution

    |

  6. If in a triangle A B C ,/C=60^0, then prove that 1/(a+c)+1/(b+c)=3/(a+...

    Text Solution

    |

  7. Perpendiculars are drawn from the anglesA, B,C,of an acute angles Delt...

    Text Solution

    |

  8. If in triangle A B C , the median A D and the perpendicular A E from t...

    Text Solution

    |

  9. If p and q are perpendicular from the angular points A and B of A B C...

    Text Solution

    |

  10. The two adjacent sides of a cyclic quadrilateral are 2and 5 and the an...

    Text Solution

    |

  11. In a circle of radius r , chords of length aa n dbc m subtend angles t...

    Text Solution

    |

  12. Let A B C be a triangle with incenter I and inradius rdot Let D ,E ,a ...

    Text Solution

    |

  13. In A B C , as semicircle is inscribed, which lies on the side cdot If...

    Text Solution

    |

  14. D , E , F are three points on the sides B C ,C A ,A B , respectively, ...

    Text Solution

    |

  15. Given the base of a triangle, the opposite angle A, and the product k^...

    Text Solution

    |

  16. In any /\ A B C , prove that (b^2-c^2)cotA+(c^2-a^2)cotB+(c^2-b^2)cotC...

    Text Solution

    |

  17. In a triangle ABC, angle A is greater than angle B. If the measures of...

    Text Solution

    |

  18. In triangle A B C ,a : b : c=4:5: 6. The ratio of the radius of the ci...

    Text Solution

    |

  19. The set of all real numbers a such that a^2+2a ,2a+3,a n da^2+3a+8 are...

    Text Solution

    |

  20. A B C is a triangle with /B greater than /C ,Da n dE are points on B C...

    Text Solution

    |