Home
Class 12
MATHS
The value of k(k >0) such that the l...

The value of `k(k >0)` such that the length of the longest interval in which the function `f(x)=sin^(-1)|sink x|+cos^(-1)(cosk x)` is constant is `pi/4` is/ are (a)8 (b) 4 (c) 12 (d) 16

Promotional Banner

Topper's Solved these Questions

  • INTRODUCTION TO VECTORS

    CENGAGE|Exercise JEE Previous Year|20 Videos
  • JEE 2019

    CENGAGE|Exercise Chapter 10|9 Videos

Similar Questions

Explore conceptually related problems

The length of the longest interval in which the function 3sinx-4sin^3x is increasing is pi/3 (b) pi/2 (c) (3pi)/2 (d) pi

The length of the largest continuous interval in which the function f(x)=4x-tan2x is monotonic is pi/2 (b) pi/4 (c) pi/8 (d) pi/(16)

Find the intervals in which the function f given by f(x) =sin x +cos x , lt=x lt=2pi is increasing or decreasing.

The value of a for which the function f(x)=asinx+(1/3)sin3x has an extremum at x=pi/3 is 1 (b) -1 (c) 0 (d) 2

If the function f(x)=(Ksinx+2cosx)/(sinx+cosx) is strictly increasing for all values of x , then (a) K (b) K >1 (c) K (d) K >2

For xgeq0 , the smallest value of the function f(x)=(4x^2+8x+13)/(6(1+x)), is

The number of integer values of k for which the equation sin^(-1)x+tan^(-1)x=2k+1 has a solution is (a)1 (b) 2 (c) 3 (d) 4

The greatest value of the function f(x)=(sin2x)/(sin(x+pi/4)) on the interval (0,pi/2)i s 1/(sqrt(2)) (b) sqrt(2) (c) 1 (d) -sqrt(2)

Let K be the set of all values of x, where the function f(x) = sin |x| - |x| + 2(x-pi) cos |x| is not differentiable. Then, the set K is equal to

CENGAGE-INVERSE TRIGONOMETRIC FUNCTIONS-All Questions
  1. If [ 4 a 2 4 a 1 4 b 2 4 b 1 4 c 2 4c 1   ] [ ...

    Text Solution

    |

  2. If tan^(-1)(a+x)/a+tan^(-1)(a-x)/a=pi/6,t h e nx^2= (a)2sqrt(3)a (b)...

    Text Solution

    |

  3. The value of k(k >0) such that the length of the longest interval ...

    Text Solution

    |

  4. Which of the following pairs of function/functions has same graph? y=...

    Text Solution

    |

  5. If cot^(-1)((n^2-10 n+21. 6)/pi)>pi/6, where x y<0 then the possible v...

    Text Solution

    |

  6. If z=sec^(-1)(x+1/x)+sec^(-1)(y+1/y), where x y<0, then the possible v...

    Text Solution

    |

  7. If (sin^(-1)x+sin^(-1)w)(sin^(-1)y+sin^(-1)z)=pi^2, then D=|x^(N1)y^(N...

    Text Solution

    |

  8. Indicate the relation which can hold in their respective domain for ...

    Text Solution

    |

  9. If x&lt;0,t h e ntan^(-1)x is equal to

    Text Solution

    |

  10. If -1&lt; x &lt; 0 , then cos^(-1)x is equal to (a) sec^(-1)(1/ x) (b)...

    Text Solution

    |

  11. If tan^(-1)(x+3/x)-tan^(-1)(x-3/x)=tan^(-1)6/x , then the value of x^4...

    Text Solution

    |

  12. If cos^(-1)x+cos^(-1)y+cos^(-1)z=pi,t h e n x^2+y^2+z^2+2x y z=1 2...

    Text Solution

    |

  13. If alpha in (-(3pi)/2,-pi) , then the value of tan^(-1)(cotalpha)-cot^...

    Text Solution

    |

  14. tan^(-1)[(cosx)/(1+sinx)] is equal to pi/4-x/2,forx in (-pi/2,(3pi)/2...

    Text Solution

    |

  15. The value of the expression sin^(-1)(sin(22pi)/7)+cos^(-1)(cos(5pi)/3)...

    Text Solution

    |

  16. The value of sin^(-1)("cos"(cos^(-1)(cosx)+sin^(-1)(sinx))), where x i...

    Text Solution

    |

  17. Complete solution set of tan^2(sin^(-1)x)>1 is (a)(-1,-1/(sqrt(2)))uu...

    Text Solution

    |

  18. The range of the values of p for which the equation sin cos^(-1) ( co...

    Text Solution

    |

  19. The sum of the solution of the equation 2sin^(-1)sqrt(x^2+x+1)+cos^(-1...

    Text Solution

    |

  20. Complete solution set of [cot^(-1)x]+2[tan^(-1)x]=0, where [] denote...

    Text Solution

    |