Home
Class 12
MATHS
Show that f(x)=tan^(-1)(sin x + cos x) i...

Show that `f(x)=tan^(-1)(sin x + cos x)` is a decreasing function for `x in ( pi/4, pi/2)`.

Promotional Banner

Topper's Solved these Questions

  • MONOTONOCITY

    MOTION|Exercise Exercise - 3 ( Subjective ) COMPREHENSION|4 Videos
  • MONOTONOCITY

    MOTION|Exercise Exercise - 4 ( Level-I ) Previous Year|4 Videos
  • MONOTONOCITY

    MOTION|Exercise Exercise - 2 (Level-II) ( Multiple Correct ) MIXED PROBLEMS|5 Videos
  • METHOD OF DIFFERENTIATION

    MOTION|Exercise EXERCISE - 4 LEVEL -II|5 Videos
  • PARABOLA

    MOTION|Exercise EXERCISE - IV|33 Videos

Similar Questions

Explore conceptually related problems

Show that f(x)=tan^(-1)(sin x+cos x) is a decreasing function on the interval on (pi/4,pi/2).

Show that f(x)=tan^(-1)(sin x+cos x) is decreasing function on the interval ((pi)/(4),(pi)/(2))

Show that f(x)=tan^(-1)(sin x+cos x) is an increasing function on the interval (0,pi/4)

The function f(x)=tan^(-1)(sin x+cos x) is an increasing function in (1)((pi)/(4),(pi)/(2))(2)(-(pi)/(2),(pi)/(4))(3)(0,(pi)/(2))(4)(-(pi)/(2),(pi)/(2))^(((pi)/(4)),(pi)/(2))^(((pi)/(4)))(2)

Prove the following f(x)=tan^(-1)(sinx+cosx) is strictly decreasing function on ((pi)/(4),(pi)/(2)) .

Show that f(x)=sin x-cos x is an increasing function on (-pi/4,pi/4)

The function f(x)=tan^(-1)(sin x+cos x) is an increasing function in (-(pi)/(2),(pi)/(4))(b)(0,(pi)/(2))(-(pi)/(2),(pi)/(2))(d)((pi)/(4),(pi)/(2))

Show that f(x)=cos^(2)x is a decreasing function on (0,pi/2)

Show that the function f(x)=cot^(-1)(sin x+cos x) is decreasing on (0,pi/4) and increasing on (pi/4,pi/2)

Show that f(x)=cos^(2)x is decreasing function on (0,(pi)/(2))

MOTION-MONOTONOCITY-Exercise - 3 ( Subjective )
  1. Show that f(x)=tan^(-1)(sin x + cos x) is a decreasing function for x...

    Text Solution

    |

  2. Show that f(x)=(x)/(sqrt(1+x))- ln (1+x) is an increasing function fo...

    Text Solution

    |

  3. Find the intervals of monotonocity for the following functions (i) (...

    Text Solution

    |

  4. Find the intervals of monotonocity for the following functions & repre...

    Text Solution

    |

  5. Find the intervals of monotonocity for the following functions & repre...

    Text Solution

    |

  6. Find the intervals of monotonocity for the following functions & repre...

    Text Solution

    |

  7. Find the intervals of monotonocity for the following functions & repre...

    Text Solution

    |

  8. Let f(x)={:{(x^(2),x ge 0),(ax, x lt 0):}. Find real values of a such...

    Text Solution

    |

  9. If f(x) = x^(3) + (a – 1) x^(2) + 2x + 1 is strictly monotonically in...

    Text Solution

    |

  10. Find the values ' a ' for which the function f(x)=(a+2)x^3-3a x^2+9a x...

    Text Solution

    |

  11. Find the greatest & least value of f(x)=sin^(-1).(x)/(sqrt(x^(2)+1)...

    Text Solution

    |

  12. Using monotonicity prove that x lt - ln (1-x) lt x (1-x)^(-1) for ...

    Text Solution

    |

  13. Using monotonicity prove that (x)/(1-x^(2)) lt tan^(-1)x lt x for...

    Text Solution

    |

  14. Prove that tan^2x+6lns e c x+2cosx+4>6secx for x\ in ((3pi)/2,\...

    Text Solution

    |

  15. Verify Rolles theorem for the function f(x)=log{(x^2+a b)/(x(a+b))}...

    Text Solution

    |

  16. Using Rolle's theorem prove that the equation 3x^2 + px - 1 = 0 has th...

    Text Solution

    |

  17. f(x) and g(x) are differentiable functions for 0 le x le 2 such that ...

    Text Solution

    |

  18. Show that the lagranges mean value theorem is not applicable to the...

    Text Solution

    |

  19. If a, b are two real numbers with a lt b show that a real number 'c' ...

    Text Solution

    |

  20. Using LMVT prove that : (a) tan x gt x in (0, pi/2), (b) sin x l...

    Text Solution

    |