Home
Class 12
MATHS
The value of cos (1/2 cos^(-1) (1/8)) is...

The value of `cos (1/2 cos^(-1) (1/8))` is equal to

A

`3//4`

B

`-3//4`

C

`1//16`

D

`1//4`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • INVERSE TRIGONOMETRIC FUNCTIONS

    ARIHANT MATHS|Exercise Exercise (More Than One Correct Option Type Questions)|20 Videos

  • INVERSE TRIGONOMETRIC FUNCTIONS

    ARIHANT MATHS|Exercise Exercise (Statement I And Ii Type Questions)|14 Videos

  • INVERSE TRIGONOMETRIC FUNCTIONS

    ARIHANT MATHS|Exercise Exercise For Session 7|7 Videos

  • INDEFINITE INTEGRAL

    ARIHANT MATHS|Exercise Exercise (Questions Asked In Previous 13 Years Exam)|8 Videos

  • LIMITS

    ARIHANT MATHS|Exercise Exercise For Session 6|4 Videos

Similar Questions

Explore conceptually related problems

The value of cos(2cos^(-1)0.8) is

The value of cos((1)/(2)cos^(-1)((1)/(8))) is (a) (3)/(4) (b) -(3)/(4)( c) (1)/(16)(d)(1)/(4)

The value of cos^(-1){sin(cos^(-1)(1/2))} is

The value of sin cot^(-1)tan cos^(-1)x is equal to:

If a=int_(0)^(1)(cos(sinx))/(secx)dx, then the value of a^(2)cos^(2)(sin1) is equal to

The value of sin^(-1)sin17+cos^(-1)cos10 is equal to

ARIHANT MATHS-INVERSE TRIGONOMETRIC FUNCTIONS-Exercise (Single Option Correct Type Questions)
  1. Find cot^(-1) ( sqrt((1-x^(2))/(1 + x^(2)))) in terms of cos

    Text Solution

    |

  2. The value of cos (1/2 cos^(-1) (1/8)) is equal to

    Text Solution

    |

  3. The inequality sin^(-1) ( sin 5) gt x^(2) - 4 x holds if

    Text Solution

    |

  4. The value of sin^(-1) {( sin. pi/3) x/sqrt((x^(2) + k^(2) - kx))} - co...

    Text Solution

    |

  5. If a le tan^(-1) ((1-x)/(1+x)) le b " where " 0 le x le 1", then " (a...

    Text Solution

    |

  6. Sum of infinite terms of the series cot^(-1) ( 1^(2) + 3/4) + cot^(-1...

    Text Solution

    |

  7. Solution of equation cot^(-1) x + sin^(-1) . 1/sqrt5 = pi/4 is

    Text Solution

    |

  8. Solution set of the inequality ( cot^(-1) x)^(2) - ( 5 cot^(-1) x) +...

    Text Solution

    |

  9. Find the sum to infinite terms of the series tan^(-1)((1)/(3))+tan^(-1...

    Text Solution

    |

  10. If x + 1/x = 2, then principal value of sin^(-1) x is

    Text Solution

    |

  11. If x in ( - pi/2, pi/2), then the value of tan^(-1) ((tan x)/4) + ta...

    Text Solution

    |

  12. If sin^(-1) x + sin^(-1) y = (2pi)/3", then " cos^(-1) x + cos^(-1) y

    Text Solution

    |

  13. The value of cot^(pi)/(4)-2 cot^(-13) is

    Text Solution

    |

  14. sin [ tan^(-1). (1 - x^(2))/(2x) + cos^(-1) . (1-x^(2))/(1 + x^(2))] i...

    Text Solution

    |

  15. If cos^(-1) ((1-a^(2))/(1+a^(2)))- cos^(-1) ((1-b^(2))/(1+b^(2))) = 2 ...

    Text Solution

    |

  16. If |cos^(-1) ((1-x^(2))/(1+x^(2)))| lt pi/3, then

    Text Solution

    |

  17. The value of cos^-1[cot(sin^-1(sqrt((2-sqrt3)/4))+cos^-1(sqrt12/4)+sec...

    Text Solution

    |

  18. If tan^(-)(x)/(pi)lt (pi)/(3) x in N then the maximum vlaue of x is

    Text Solution

    |

  19. If tan^(-1)( (sqrt((1+x^(2))) - sqrt((1-x^(2))))/(sqrt((1+x^(2)))+sqrt...

    Text Solution

    |

  20. Find the number of positive integral solutions of tan^-1 x + cot^-1 y ...

    Text Solution

    |