Home
Class 12
MATHS
Evaluate cos(cos^(-1)0.72)...

Evaluate `cos(cos^(-1)0.72)`

Text Solution

Verified by Experts

`cos(cos^(-1)0.72)=0.72`
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRIC FUNCTIONS

    ENGLISH SAT|Exercise MCQs (Exercise)|30 Videos
  • TRIANGLE TRIGONOMETRY

    ENGLISH SAT|Exercise EXERCISES|13 Videos
  • VECTORS

    ENGLISH SAT|Exercise EXERCISES|3 Videos

Similar Questions

Explore conceptually related problems

Evaluate int_(cos(cos ^(-1) alpha))^(sin(sin^(-1)beta))|(cos (cos^(-1)x)/(sin(sin^(-1)x)))|dx

evaluate cos^(-1)cos10

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

Evaluate : (cos 75^(@))/ (sin 15^(@)) + (sin 12^(@))/ (cos 78^(@)) - (cos 18^(@))/ (sin 72^(@))

Evaluate: ((cos 47^(@))/(sin 43^(@)))^(2)+((sin72^(2))/(cos 18^(@)))^(2)-2cos^(2)45^(@)

For all, x in[0,(pi)/(2)] ,the minimum value of cos(cos x) A) 0 B) cos1 C) -cos1 D) 1

Evaluate ((cos15^(@)-sin15^(@)+1)/(cos15^(@)+sin15^(@)+1))((1+sin15^(@))/(cos15^(@)))

Evaluate: |(cos15^0,sin15^0),(sin75^0,cos75^0)|

Find the value of : cos^(-1)(cos 4)

Find the value of : cos^(-1)(cos 13)

ENGLISH SAT-TRIGONOMETRIC FUNCTIONS-MCQs (Exercise)
  1. Evaluate cos(cos^(-1)0.72)

    Text Solution

    |

  2. Express cos320^(@) as a function of an angle between 0^(@) and 90^(@) ...

    Text Solution

    |

  3. If point P(-5,12) lies on the terminal side of angletheta in standard ...

    Text Solution

    |

  4. If sectheta=-(5)/(4) and sin theta gt 0, then tantheta=

    Text Solution

    |

  5. If x is an angle in quadrant III and tan (x-30^(@))=cotx, find x

    Text Solution

    |

  6. If 90^(@) lt alpha lt 180^(@) and 270^(@) lt beta lt 360^(@), then whi...

    Text Solution

    |

  7. Expressed as a function of an acute angle, cos310^(@)=

    Text Solution

    |

  8. An angle of 30 radians is equal to how many degrees?

    Text Solution

    |

  9. If a sector of a circle has an arc length of 2pi inches and an area of...

    Text Solution

    |

  10. If a circle has a circumference of 16 inches, the area of a sector wit...

    Text Solution

    |

  11. A central angle of 40^(@) in a circle of radius 1 inch intercepts an a...

    Text Solution

    |

  12. the pendulum on a clock swings through an angle 25^(@), and the tip sw...

    Text Solution

    |

  13. In the figure below, part of the graph of y=sin2x is shown. What are t...

    Text Solution

    |

  14. The figure below could be a portion of the graph whose equation is

    Text Solution

    |

  15. As theta increases from (pi)/(4) to (5pi)/(4), the value of 4"cos"(1)/...

    Text Solution

    |

  16. The function f(x)=sqrt(3)cosx+sinx has an amplitude of

    Text Solution

    |

  17. For what value of P is the period off the function y=(1)/(3)cosPx equa...

    Text Solution

    |

  18. If 0lexle(pi)/(2), what is the maximum value of the function f(x)="sin...

    Text Solution

    |

  19. If the graph in the figure below has an equation of the form y=sin(Mx+...

    Text Solution

    |

  20. If sinx=(5)/(13) and cosx=-(12)/(13), find the value of sin 2x.

    Text Solution

    |

  21. If tanA=cotB and angles A and B are acute, then

    Text Solution

    |