Home
Class 11
MATHS
In triangleABC ,Delta=6, abc=60, r=1 The...

In `triangleABC` ,`Delta=6`, `abc=60`, `r=1` Then the value of `1/a+1/b+1/c` is nearly

Promotional Banner

Topper's Solved these Questions

  • STRAIGHT LINES

    CENGAGE PUBLICATION|Exercise All Questions|486 Videos

Similar Questions

Explore conceptually related problems

In triangleABC angleA = 60^(@) , then the value of (1 + a/c + b/c)(1+ c/b - a/b) will be-

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

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

In triangle A B C , if cotA *cotC=1/2a n dcot B* cotC=1/(18), then the value of tanC is

In a triangle ABC, a=4 , b=3, A=60^(@), then c is the root of the equation-

If for a triangle ABC, |(1,a,b),(1,c,a),(1,b,c)|=0 then the value of sin^(2)A+sin^(2)B+sin^(2)C is -

CENGAGE PUBLICATION-TRIGONOMETRIC FUNCTIONS-All Questions
  1. A0, A1 ,A2, A3, A4, A5 be a regular hexagon inscribed in a circle of u...

    Text Solution

    |

  2. General solution of tantheta+tan4theta+tan7theta=tanthetatan4thetatan7...

    Text Solution

    |

  3. In triangleABC ,Delta=6, abc=60, r=1 Then the value of 1/a+1/b+1/c is ...

    Text Solution

    |

  4. The number of solution (s) of the equation sin^4 x + cos^4 x = sinx co...

    Text Solution

    |

  5. The value of tan(pi/3)+2tan((2pi)/3)+4cot((4pi)/3)+8tan((8pi)/3) is

    Text Solution

    |

  6. Let the area of triangle ABC be (sqrt3 -1)//2, b = 2 and c = (sqrt3 -1...

    Text Solution

    |

  7. A right triangle has perimeter of length 7 and hypotenuse of length 3....

    Text Solution

    |

  8. General solution of sin^2x-5sinxcosx-6cos^2x=0

    Text Solution

    |

  9. In triangle A B C , base B C and area of triangle are fixed. The loc...

    Text Solution

    |

  10. A circle is drawn in a sector of a larger circle of radius r, as shown...

    Text Solution

    |

  11. The sides of a triangle are three consecutive natural numbers and its ...

    Text Solution

    |

  12. The sum of all the solution of the equation costhetacos(pi/3+theta)cos...

    Text Solution

    |

  13. The least value of 2sin^2theta+3cos^2theta is

    Text Solution

    |

  14. In triangle ABC, prove that the maximum value of tanA/2tanB/2tanC/2i s...

    Text Solution

    |

  15. Number of solutions of the equation cos^4(2x)+2sin^2(2x) =17(cosx+sinx...

    Text Solution

    |

  16. Given that the side length of a rhombus is the geometric mean of the ...

    Text Solution

    |

  17. The number of solution of sinx+sin2x+sin3x=cosx+cos2x+cos3x ,0lt=xlt=2...

    Text Solution

    |

  18. Prove that acosA+bcosB+ccosClt=sdot

    Text Solution

    |

  19. Minimum value of (sec^4alpha)/(tan^2beta)+(sec^4beta)/(tan^2alpha), w...

    Text Solution

    |

  20. A man observes that when he moves up a distance c metres on a slope, ...

    Text Solution

    |