Home
Class 14
MATHS
The value of cos1^(@)" "cos2^(@)" "cos3^...

The value of `cos1^(@)" "cos2^(@)" "cos3^(@)` . . .`cos177^(@)" "cos178^(@)" "cos179^(@)` is

A

0

B

`(1)/(2)`

C

1

D

`(1)/(sqrt(2))`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRY

    KIRAN PUBLICATION|Exercise TYPE -III|90 Videos
  • TRIGONOMETRY

    KIRAN PUBLICATION|Exercise TYPE -IV|22 Videos
  • TRIGONOMETRY

    KIRAN PUBLICATION|Exercise TEST YOURSELF|25 Videos
  • TIME AND WORK

    KIRAN PUBLICATION|Exercise TEST YOURSELF|25 Videos

Similar Questions

Explore conceptually related problems

What is the value of cos1^(@) cos2^(@)cos3^(@).....cos270^(@) ?

The value of cos1^(@)cos2^(@)cos3^(@)...cos179^(@) is

The value of cos1^(@)cos2^(@)cos3^(@)…cos180^(@) is

The value of cos1^(@). Cos2^(@)……….. Cos179^(@) is

cos 1^(@)cos2^(@) cos3^(@) ..... cos 180^(@) .......

Find the value of cos1^(@).cos2^(@).cos3^(@).cos90^(@)

cos1^(@)+cos2^(@)+cos3^(@)+.......+cos180^(@) =

Write the value of cos 1^(@) cos 2^(@) … cos 180^(@).

KIRAN PUBLICATION-TRIGONOMETRY -TYPE - II
  1. If tan((pi)/(2)-(theta)/(2))=sqrt(3) , the value of sectheta is :

    Text Solution

    |

  2. If sectheta=x+(1)/(4x), then find the value of sectheta+tantheta.

    Text Solution

    |

  3. The value of cos1^(@)" "cos2^(@)" "cos3^(@) . . .cos177^(@)" "cos178^(...

    Text Solution

    |

  4. If sectheta+tantheta=sqrt(3)(o^(@)lethetale90^(@)) then tantheta is

    Text Solution

    |

  5. If sin(60^(@)-theta)=cos(Psi-30^(@)) , then the value of tan(Psi-theta...

    Text Solution

    |

  6. If a sin theta + b cos theta = c then the value of a cos theta -b sin ...

    Text Solution

    |

  7. Maximum value of (2 sin theta + 3 cos theta) is

    Text Solution

    |

  8. The value of 152 ( sin 30^@ + 2cos^2 45^@ + 3 sin 30^@ + 4 cos^2 45...

    Text Solution

    |

  9. sin^2 theta - 3 sin theta +2=0 will be true if

    Text Solution

    |

  10. If tan alpha = n tan beta and sin alpha = m sin beta, then cos^2 alpha...

    Text Solution

    |

  11. If cosx=sinyand cot(x-40^(@)=tan(50^(@)-y) , then the values of x ...

    Text Solution

    |

  12. If cosec theta-cottheta=(7)/(2) , the value of cosectheta is :

    Text Solution

    |

  13. If xsin45^(@)=y"cosec " 30^(@), then (x^(4))/(y^(4)) is equal to

    Text Solution

    |

  14. If 5tantheta=4 , then (5sintheta-3costheta)/(5sintheta+2costheta) is ...

    Text Solution

    |

  15. sec^(2)theta = 4xy/(x+y)^(2) is true if and only if

    Text Solution

    |

  16. If alpha+beta=90^(@),then the value of (1-sin^(2)alpha)(1-cos^(2)alph...

    Text Solution

    |

  17. The minium value of 4tan^(2)theta+9cot^(2)theta is equal to

    Text Solution

    |

  18. If sin7x=cos11x, then the value of tan9x+cot9x is

    Text Solution

    |

  19. If tan^(2)alpha=1+2tan^(2)beta, then sqrt(2)cosalpha+cosbeta is equal ...

    Text Solution

    |

  20. If theta be acute angle and costheta=(15)/(17) , then the value of ...

    Text Solution

    |