Home
Class 12
MATHS
tan9^(@)-tan27^(@)-tan63^(@)+tan81^(@) i...

`tan9^(@)-tan27^(@)-tan63^(@)+tan81^(@)` is equal to:

A

4

B

0

C

1

D

`-1`

Text Solution

Verified by Experts

The correct Answer is:
a
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRICAL IDENTITIES AND EQUATIONS

    MCGROW HILL PUBLICATION|Exercise Questions from Previous Years. AIEEE/JEE Main Papers|48 Videos

  • THE DIMENSIONAL GEOMETRY

    MCGROW HILL PUBLICATION|Exercise QUESTIONS FROM PREVIOUS YEARS. B-ARCHITECTURE ENTRANCE EXAMINATION PAPERS|25 Videos

  • VECTOR ALGEBRA

    MCGROW HILL PUBLICATION|Exercise QUESTIONS FROM PREVIOUS YEARS. B-ARCHITECTURE ENTRANCE EXAMINATION PAPERS|20 Videos

Similar Questions

Explore conceptually related problems

tan9^(0)-tan27^(0)-tan63^(@)+tan81^(@)

The value of tan1^(@)tan46^(@)-tan46^(@)+tan1^(@) is equal to

The value of tan 9^@ - tan 27^@ - tan 63^@ + tan 81^@ is equal to:

The value of tan9^(@)+tan36^(@)+tan9^(@)*tan36^(@) is equal to

The value of the expression tan13^(@)tan27^(@)+tan27^(@)tan50^(@)+tan50^(@)tan13^(@) is equal to

tan9^(@)+tan36^(@)+tan9^(@)tan36^(@)=1

MCGROW HILL PUBLICATION-TRIGONOMETRICAL IDENTITIES AND EQUATIONS -Questions from Previous Years. B-Architecture Entrance Examination Papers
  1. The number of solutions of the equation tan x+secx=2cosx lying in the ...

    Text Solution

    |

  2. For theta pi 0, if cos theta+sec theta =2, then cos^(n)theta+sec^(n)th...

    Text Solution

    |

  3. If for real p the equation sin^(6)x+cos^(6)x=p always has a real solut...

    Text Solution

    |

  4. The value of "cos"^(4)(pi)/(8)+"cos"^(4)(3pi)/(8)+"cos"^(4)(5pi)/(8)+"...

    Text Solution

    |

  5. The value of "sin"(pi)/(14)*"sin"(3pi)/(14)*"sin"(5pi)/(14) is

    Text Solution

    |

  6. Let 0 lt alpha, beta le pi//4. If cos(alpha+beta)=4//5 and sin(alpha-b...

    Text Solution

    |

  7. The sides of a triangle are sin beta, cos beta and sqrt(1+a sin 2 beta...

    Text Solution

    |

  8. If cos25^(@)+sin25^(@)=K, when cos50^(@) equals

    Text Solution

    |

  9. tan9^(@)-tan27^(@)-tan63^(@)+tan81^(@) is equal to:

    Text Solution

    |

  10. If a and b are such that a sin theta=b cos theta for 0 le theta lt (pi...

    Text Solution

    |

  11. The value of tan 9^(@) - tan 27^(@)- tan 63^(@)+ tan 81^(@) is

    Text Solution

    |

  12. In a DeltaABC, if |(1,a,b),(1,c,b),(1,b,c)|=0 then sin^(2)A+sin^(2)...

    Text Solution

    |

  13. Let (3pi)/(4) lt theta lt pi and sqrt(2cot theta +(1)/(sin^(2)theta))...

    Text Solution

    |

  14. The maximum value of f(x)=2sin x+sin2x, in the interval [0, (3pi)/(...

    Text Solution

    |

  15. For all values of theta in (0, (pi)/(2)), the determinant of the matr...

    Text Solution

    |

  16. The value of (1)/(cos(285^(@)))+(1)/(sqrt(3)sin(255^(@))) is

    Text Solution

    |

  17. If e^((sin^(2)x+sin^(4)x+…+"ad inf.")log(e )2), (0 lt x lt pi//2), sat...

    Text Solution

    |

  18. The total number of x in [0, 2pi] which satisfy the equation 4(cos^(10...

    Text Solution

    |

  19. If cos (alpha+beta)=(4)/(5) and sin(alpha-beta)=(5)/(13), where alpha,...

    Text Solution

    |

  20. If sin(alpha-beta)=(5)/(13) and cos(alpha+beta)=(3)/(5), then tan(2alp...

    Text Solution

    |