Home
Class 11
MATHS
cos 1^(@) ."" cos 2^(@) ."" cos 3^(...

` cos 1^(@) ."" cos 2^(@) ."" cos 3^(@) "…." cos 179 ^(@)=`

A

`0`

B

`1`

C

`-(1)/(2) `

D

`-1`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • QUESTION PAPER 2017

    MARVEL PUBLICATION|Exercise QUESTION|50 Videos

  • SEQUENCES AND SERIES

    MARVEL PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS|81 Videos

Similar Questions

Explore conceptually related problems

cos 1^(@) + cos2^(@) + cos 3^(@) + ….+cos 180^(@) is equal to

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

What is the value of "cos"1^(@)"cos"2^(@)"cos"3^(@)…"cos"90^(@) ?

The value of the expression cos 1^(@) cos 2^(@) …. Cos 179^(@) is

The value of cos0 cos1^(@)cos2^(@) ……………. cos179^(@) cos180^(@) is :

Find the value of cos 1^@ cos 2^@ cos 3^@ …….cos 89^@ …..cos 179^@ cos 180^@

cos1^(0)cos2^(0)...cos179^(@)

Find the vaue of cos 1^@ cos 2^@ cos 3^@ ….cos 88^@ cos 89^@ cos 90^@

cos1^(@)*cos2^(@)*cos3^(@).........cos179^(@) is equal to :

MARVEL PUBLICATION-QUESTION PAPER 2018-QUESTION
  1. The equation of the line passing through the point (-3,1) and...

    Text Solution

    |

  2. The negation of the statement : Getting above 95% marks is n...

    Text Solution

    |

  3. cos 1^(@) ."" cos 2^(@) ."" cos 3^(@) "…." cos 179 ^(@)=

    Text Solution

    |

  4. If planes x- cy - bz =0 , cx-y+az =0 and bx + ay - z=0 pass th...

    Text Solution

    |

  5. The point of intersection of lines represented by x^(2) -y ^(2) ...

    Text Solution

    |

  6. A die is rolled .IF X denotes the number of positive divisors ...

    Text Solution

    |

  7. A die is thrown for times .The probability of getting perfect...

    Text Solution

    |

  8. int (0) ^(pi //4) x. Sec ^(2) x dx =?

    Text Solution

    |

  9. In DeltaABC, with usual notations, if a,b,c are in AP then acos^(2)((C...

    Text Solution

    |

  10. If x= e^(theta )(sin theta - cos theta ) , y= e^(theta ) ( sin ...

    Text Solution

    |

  11. The number of solutions of sin x+ sin 3x + sin 5x=0 in the ...

    Text Solution

    |

  12. IF tan ^(-1) 2x + tan ^(-1) 3x =(pi)/(4) , then x=

    Text Solution

    |

  13. Matrix A =[(1,2,3),(1,1,5),(2,4,7)] then the value of A(31) A(3...

    Text Solution

    |

  14. The contrapositive of the statement: "If the weather is fine then my f...

    Text Solution

    |

  15. If =(x)/(x^(2)+1) is increasing function, then the value of x lies in

    Text Solution

    |

  16. If X={4^(n)-3n-1:n in N} and {9(n-1):n in N}, the prove that X sub Y.

    Text Solution

    |

  17. The statement pattern p^^(~p^^q)is

    Text Solution

    |

  18. If the line y= 4x-5 toches to the curve y^(2) = ax^(3) +b ...

    Text Solution

    |

  19. The sides of a recyangle are given by x=+- a and y= +-b The...

    Text Solution

    |

  20. The minimum value of the function f(x) = x log x is

    Text Solution

    |