Home
Class 11
MATHS
Cos^(-1)("cos"(5pi)/4)=...

`Cos^(-1)("cos"(5pi)/4)=`

Text Solution

Verified by Experts

The correct Answer is:
`(3pi)/(4)`
Promotional Banner

Topper's Solved these Questions

  • INVERSE TRIGONOMETRIC FUNCTIONS

    VIKRAM PUBLICATION ( ANDHRA PUBLICATION)|Exercise TEXTUAL EXERCISES ( EXERCISE - 8(a) II).|17 Videos

  • INVERSE TRIGONOMETRIC FUNCTIONS

    VIKRAM PUBLICATION ( ANDHRA PUBLICATION)|Exercise TEXTUAL EXERCISES ( EXERCISE - 8(a) III).|22 Videos

  • HYPERBOLIC FUNCTIONS

    VIKRAM PUBLICATION ( ANDHRA PUBLICATION)|Exercise EXERCISE - 9(a)|10 Videos

  • LIMITS AND CONTINUITY

    VIKRAM PUBLICATION ( ANDHRA PUBLICATION)|Exercise Exercise 8(e)|12 Videos

Similar Questions

Explore conceptually related problems

Find the values of the following: cos^(-1)("cos"(4pi)/3)

The value of the expression Sin^(-1)(Sin""(22pi)/7)+Cos^(-1)(Cos""(5pi)/3)+Tan^(-1)(Tan""(5pi)/7)+Sin^(-1)(Cos2) is

Which of the following is/are the value of cos[1/2cos^(-1)(cos(-(14pi)/5))]?

Which of the following is/are the value of cos[1/2cos^(-1)(cos(-(14pi)/5))] ?

Cos (-(9pi)/(4))=

Show that costhetacos(60^(@)+theta)cos(60^(@)-theta)=1/4 cos3theta and hence deduce that "cos"pi/9"cos"(3pi)/9"cos"(5pi)/9"cos"(7pi)/9=1/16 (T.S.MAY-2016)

VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-INVERSE TRIGONOMETRIC FUNCTIONS-SOLVED PROBLEMS
  1. Cos^(-1)("cos"(5pi)/4)=

    Text Solution

    |

  2. Find the values of the following. sin^(-1)"" (- (1)/(2) )

    Text Solution

    |

  3. Find the values of the following: Cos^(-1)(-(sqrt(3))/2)

    Text Solution

    |

  4. Find the values of the following: tan^(-1)(1/(sqrt(3)))

    Text Solution

    |

  5. Find the values of the following: cot^(-1)(-1)

    Text Solution

    |

  6. Evaluate the following. sec^(-1) (-sqrt2)

    Text Solution

    |

  7. Find the values of the following: cosec^(-1)(2/(sqrt(3)))

    Text Solution

    |

  8. Find the values of the following: sin^(-1)("sin"(4pi)/3)

    Text Solution

    |

  9. Find the values of the following: cos^(-1)("cos"(4pi)/3)

    Text Solution

    |

  10. Find the values of the following: tan^(-1)("tan"(4pi)/3)

    Text Solution

    |

  11. Find the values of the following: sin("cos"^(-1)5/13)

    Text Solution

    |

  12. Find the values of the following: tan("Sec"^(-1)25/7)

    Text Solution

    |

  13. Find the values of the following cos("tan"^(-1)24/7)

    Text Solution

    |

  14. Find the values of the following: sin^(2)("Tan"^(-1)3/4)

    Text Solution

    |

  15. Find the values of the following: sin((pi)/2-Sin^(-1)(-4/5))

    Text Solution

    |

  16. Find the value of the following: cos(Cos^(-1)(-2/3)-Sin^(-1)(2/3))

    Text Solution

    |

  17. Show that Sec^(2)(cot^(-1)3)+(Cosec^(2)(tan^(-1)2))=85/36

    Text Solution

    |

  18. Find the value of the following cot^(-1)(1/2)+cot^(-1)(1/3)

    Text Solution

    |

  19. Prove that Sin^(-1)(4/5)+Sin^(-1) 7/25 = Sin^(-1) 117/125.

    Text Solution

    |

  20. If x in (-1,1) prove that 2Tan^(-1)x="Tan"^(-1)(2x)/(1-x^(2))

    Text Solution

    |

  21. sin^(-1)(4/5)+sin^(-1)(5/13)+sin^(-1)(16/65)=

    Text Solution

    |