Home
Class 12
MATHS
The value of 2cot^(-1)""(1)/(2)-cot^(-1)...

The value of `2cot^(-1)""(1)/(2)-cot^(-1)""(4)/(3)` is

A

`-(pi)/(8)`

B

`(3pi)/(2)`

C

`(pi)/(4)`

D

`(pi)/(2)`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • QUESTION PAPER 2014

    WB JEE PREVIOUS YEAR PAPER|Exercise MULTIPLE CHOICE QUESTIONS|80 Videos

  • QUESTION PAPER 2016

    WB JEE PREVIOUS YEAR PAPER|Exercise MULTIPLE CHOICE QUESTIONS|75 Videos

Similar Questions

Explore conceptually related problems

Value of 2 cot^(-1)""(1)/(2)-cot^(-1)""(4)/(3) is-

The values of 2cot^-1 (1/2)-cot^-1 (4/3) is

The value of cot((pi)/(4)-2cot^(-1)3) is -

3 cot ^(-1)""(1)/(2-sqrt(3))+cot ^(-1)""x=(pi)/(2)

if two angles of a triangle are cot ^(-1)""(1)/(2) and cot ^(-1)""(1)/(3) then find the third angle .

The value of tan cot^(-1)(-4/3) is

If x > y > z >0, then find the value of cot^(-1)((x y+1)/(x-y))+cot^(-1)((y z+1)/(z y-z))+cot^(-1)((z x+1)/(z-x))

cot ^(-1)""x+cot^(-1)""2x=(3pi)/(4)

cot ^(-1) ""(1)/(2) -(1)/(2) cot^(-1)"" (4)/(3) =(pi)/(4)

The value of cot (82(1)/(2))^(@) is-

WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2015-MULTIPLE CHOICE QUESTIONS
  1. If A and B are two matrices such that AB=B and BA=A then A^(2)+B^(2) e...

    Text Solution

    |

  2. If omega is an imaginary cube root of unity, then the value of the det...

    Text Solution

    |

  3. The value of 2cot^(-1)""(1)/(2)-cot^(-1)""(4)/(3) is

    Text Solution

    |

  4. If the point (2costheta,2sintheta), for thetain(0,2pi) lies in the reg...

    Text Solution

    |

  5. Number of points having distance sqrt5 from the straight line x-2y+1=0...

    Text Solution

    |

  6. Let a,b, c, d be any four real number. Then a^(n)+b^(n)=c^(n)+d^(n) ho...

    Text Solution

    |

  7. If alpha,beta are the roots of x^(2)-px+1=0 and gamma is a root of x^...

    Text Solution

    |

  8. Number of irrational terms in the binomial expansion of (3^(1//5)+7^(1...

    Text Solution

    |

  9. The quadratic expression (2x+1)^(2)-px+qne0 for any real x is

    Text Solution

    |

  10. Let f:RtoR be defined as f(x)=(x^(2)-x+4)/(x^(2)+x+4). Then the range ...

    Text Solution

    |

  11. The least value of 2x^(2)+y^(2)+2xy+2x-3y+8 for real numbers x and y i...

    Text Solution

    |

  12. Let f:[-2,2]toR be a continuous function such that f(x) assumes only i...

    Text Solution

    |

  13. The minimum value of costheta+sintheta+(2)/(sin2theta) for thetain(0,p...

    Text Solution

    |

  14. The value of ((1+sqrt3i)/(1-sqrt3i))^(64)+((1-sqrt3i)/(1+sqrt3i))^(64)...

    Text Solution

    |

  15. Find the maximum value of |z| when |z-(3)/(z)|=2, z being a complex nu...

    Text Solution

    |

  16. Given that x is a real number satisfying (5x^(2)-26x+5)/(3x^(2)-10x+3)...

    Text Solution

    |

  17. Let x(n)=(1-(1)/(3))^(2)(1-(1)/(6))^(2)(1-(1)/(10))^(2).............(1...

    Text Solution

    |

  18. The variance of first 20 nutural numbers is

    Text Solution

    |

  19. A fair coin is tossed a fixed number of times. If the probability of g...

    Text Solution

    |

  20. If the letters of the word PROBABILITY are written down at random in a...

    Text Solution

    |