Home
Class 12
MATHS
([(1+ cos ((pi)/(12))+ i sin ((pi )/(12...

(`[(1+ cos ((pi)/(12))+ i sin ((pi )/(12)))/(1+ cos ((pi)/(12))-i sin ((pi)/(12)]^(72)]`

A

0

B

`-1`

C

`1`

D

`1/2`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • TS EAMCET 2016

    TS EAMCET PREVIOUS YEAR PAPERS|Exercise Mathematic|80 Videos

  • TS EAMCET 2018 (4 MAY SHIFT 1)

    TS EAMCET PREVIOUS YEAR PAPERS|Exercise Mathematics|80 Videos

Similar Questions

Explore conceptually related problems

((1 + "cos"(pi)/(8) -i "sin"(pi)/(8))/(1 + "cos"(pi)/(8) + i "sin" (pi)/(8)))^(12)=

cos. (3pi)/(19) + cos . (7pi)/(19) + cos. (12pi)/(19) + cos. (16pi)/(19) =

cos ((5pi)/(4)) - sin ((5pi)/(4)) + tan((11pi)/(4)) - cot((11pi)/(4))=

cos. (pi)/(13) + cos. (5pi)/(13) + cos. (8pi)/(13) + cos. (12pi)/(13)=

cos((pi)/(4)+A) cos((pi)/(4) - B) + sin ((pi)/(4) +A) * sin((pi)/4-B)=

((1+cos""(pi)/(8)-isin""(pi)/(8))/(1+cos""(pi)/(8)+isin""(pi)/(8)))^(8)

((1+"cos"(pi)/(8)+"isin"(pi)/(8))/(1+"cos"(pi)/(8)-"isin"(pi)/(8)))^(8)=

cos^(2)""(pi)/(5)+ sin^(2)""(4pi)/(5)=

TS EAMCET PREVIOUS YEAR PAPERS-TS EAMCET 2017-MATHEMATICS
  1. Let a = 2 hati + hatj - 3 hatk and b - hati + 3 hatj + 2 hatk ...

    Text Solution

    |

  2. The local maximum of y= x^3-3x^3+5 is attained at

    Text Solution

    |

  3. In the expansion of (1+x)^n , the coefficients of pth and (p+1) ...

    Text Solution

    |

  4. If f(x) ={{:(sin x , if x le 0),( x^2 + a^2, if 0 lt x lt 1 ),(b...

    Text Solution

    |

  5. IF cos h ^(-1) x= 2 log (e) ( sqrt(2)+1), then x=

    Text Solution

    |

  6. For any integer n ge 1, underset(k=1) overset(n) sum K ( K+2)=

    Text Solution

    |

  7. The foci of the ellipse 25 x ^2 +4y^2 + 100 x-4y +100 =0 are

    Text Solution

    |

  8. ([(1+ cos ((pi)/(12))+ i sin ((pi )/(12)))/(1+ cos ((pi)/(12))-i sin...

    Text Solution

    |

  9. If the range of the function f(x) =- 3x -3 is { 3,-6,-9,-18} , ...

    Text Solution

    |

  10. In Delta ABC if a=-1,b=2, angle C=60 ^@ then 4Delta ^2 +c^2 ...

    Text Solution

    |

  11. IF the magnitudes of a,b, and a+b are respectively 3,4 and 5 th...

    Text Solution

    |

  12. IF int f(x) cos x dx =1/2 (f(x))^2+C and f(0) =0 then f'(0) =

    Text Solution

    |

  13. IF alpha and beta are the roots of the equation ax ^2 +bx ...

    Text Solution

    |

  14. IF A((pi)/(3) ) ,B ((pi)/(6)) are the points on the circle repres...

    Text Solution

    |

  15. IF the pair of straight lines xy - x -y +1=0 and the line x ...

    Text Solution

    |

  16. The number of solutions of cos 2 theta = sin theta in (0 , 2 pi...

    Text Solution

    |

  17. The length of the sides of a triangle are 13 , 14 and 15 if...

    Text Solution

    |

  18. IF A and B are variances of the 1 ^(st) 'n' even number and 1...

    Text Solution

    |

  19. IF the line x-y=-4k is a tangent to the parabola y^2 = 8x at P ...

    Text Solution

    |

  20. IF A and B are events having probabilities P(A) = 0.6 ,P(B ) ...

    Text Solution

    |