Home
Class 12
MATHS
cos^-1(cos((7pi)/5) equals....

`cos^-1(cos((7pi)/5)` equals.

A

`(3pi)/5`

B

`(2pi)/5`

C

`(-7pi)/5`

D

`(7pi)/5`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • INVERSE-TRIGONOMETRIC FUNCTIONS

    MODERN PUBLICATION|Exercise EXERCISE|111 Videos

  • INTEGRALS

    MODERN PUBLICATION|Exercise EXERCISE|768 Videos

  • LINEAR PROGRAMMING

    MODERN PUBLICATION|Exercise EXERCISE|156 Videos

Similar Questions

Explore conceptually related problems

Find the values of each of the expressions cos^-1(cos((7pi)/6)) is equal to

Find the value of cos^-1 (cos ((7pi)/6) )

The value of cos^(-1)(cos((11pi)/5)) is

cos^-1 (cos 11 pi/6) equals :

cos^-1 (sin 7 pi/6) equals :

Find the principal values of the following (2-8): cos^-1(cos(7pi)/6)

cos ((3 pi)/2-x) equals :

MODERN PUBLICATION-INVERSE-TRIGONOMETRIC FUNCTIONS-EXERCISE
  1. The value of sin^-1((2sqrt2)/3) + sin^-1(1/3) is equal to

    Text Solution

    |

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

    Text Solution

    |

  3. cos^-1(cos((7pi)/5) equals.

    Text Solution

    |

  4. The value of sec^2 (tan^(-1)3) + cosec^2(cot^-1 2) is

    Text Solution

    |

  5. If sin^-1(x/13) + cosec^-1(13/12) = pi/2 then the value of x is

    Text Solution

    |

  6. Given 0 le x le 1/2, then the value of : tan[sin^-1(x/sqrt2 + (sqrt(1-...

    Text Solution

    |

  7. The value of sin(2 sin^(-1)0.8) is equal to

    Text Solution

    |

  8. The value of tan^-1(sqrt3/2) + tan^-1(1/sqrt3) is equal to

    Text Solution

    |

  9. The value of cos(sin^-1(2/3)) is equal to

    Text Solution

    |

  10. If tan^-1 2x + tan^-1 3x = pi/2, then the value of x is equal to

    Text Solution

    |

  11. If sin^-1x + sin^-1 y + sin^-1z = (3pi)/2, then the value of x^9 + y^9...

    Text Solution

    |

  12. 2 cos^-1 x = sin^-1(2xsqrt(1-x^2)) is valid for all value of x satisfy...

    Text Solution

    |

  13. The number of real solutions of the equations: tan^-1 sqrt(x(x+1)) + s...

    Text Solution

    |

  14. If cos^-1 x - cos^-1 y/2 = alpha, then 4x^2 - 4xy cos alpha + y^2 is e...

    Text Solution

    |

  15. If sin^-1(x/5) + cosec^-1(5/4)= pi/2, then a value of x is

    Text Solution

    |

  16. The value of cot(cosec^-1(5/3) + tan^-1(2/3) is

    Text Solution

    |

  17. If 0 < x < 1, then : sqrt(1+x^1)[{ x cos(cot^-1x) + sin (cot^-1 x}^2 -...

    Text Solution

    |

  18. If tan^(-1) y = tan^(-1) x + tan^(-1)((2x)/(1 -x^(2)))", where" |x| lt...

    Text Solution

    |

  19. Find the value of sin^-1(sin(4pi)/5)

    Text Solution

    |

  20. show that: 2 sin^-1(3/5) = tan^-1(24/7)

    Text Solution

    |