Home
Class 10
MATHS
tan""(2pi)/(5)-tan""(pi)/(15)-sqrt3tan""...

`tan""(2pi)/(5)-tan""(pi)/(15)-sqrt3tan""(2pi)/(5)tan""(pi)/(15)` is equal to

A

`-sqrt3`

B

`1/sqrt3`

C

`1`

D

`sqrt3`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRY

    MCGROW HILL PUBLICATION|Exercise Multiple Choice Questions|50 Videos
  • TRANSPARENT PAPER FOLDING

    MCGROW HILL PUBLICATION|Exercise EXAMPLE|2 Videos
  • VERIFICATION OF TRUTH OF THE STATEMENT

    MCGROW HILL PUBLICATION|Exercise Exercise|25 Videos

Similar Questions

Explore conceptually related problems

tan""(2pi)/(5)-tan""(pi)/(15)-sqrt(3)tan""(2pi)/(5)tan""(pi)/(15)=?

The value of (tan pi)/(18)*(tan(3 pi))/(18)+(tan(3 pi))/(18)*(tan(5 pi))/(18)+(tan(pi))/(18)*(tan(5 pi))/(18) is equal to (1)0(3)sqrt(3)(2)1(4)-1

The numerical value of tan((pi)/(3))+2tan((2 pi)/(3))+4tan((4 pi)/(3))+8tan((8 pi)/(3)) is equal to (A)-5sqrt(3)(B)-(5)/(sqrt(3))(C)5sqrt(3)(D)(5)/(sqrt(3))

tan""(pi)/(8)tan""(pi)/(12)tan""(3pi)/(8)tan""(5pi)/(12)-sin^(2)""(pi)/(6)=?

The value of ((tan pi)/(16)+(tan(3 pi))/(16)+(tan(5 pi))/(16)+(tan(7 pi))/(16))^(2) is equal to

tan((pi)/(10))+tan((3 pi)/(10))+tan((7 pi)/(10))+tan((9 pi)/(10))=

The value of the expression tan. (pi)/(7)+ 2 tan. (2pi)/(7)+ 4 tan . (4pi)/(7)+ 8 cot. (8pi)/(7) is equal to

tan^(-1)("tan"(7pi)/(5))

Consider the following : 1. tan((pi)/(6)) 2. tan((3pi)/(4)) 3. tan((5pi)/(4)) tan((2pi)/(3)) What is the correct order ?

The value of (cot(pi)/(32))-tan(pi)/(32)-2tan(pi)/(16)-4tan(pi)/(8) is

MCGROW HILL PUBLICATION-TRIGONOMETRY-Multiple Choice Questions
  1. If x=r cos alpha cos beta,y=r cos alpha sin beta,z=r sin alpha then x^...

    Text Solution

    |

  2. If cosalpha+cosbeta = 0=sinalpha+sinbeta, then cos2alpha+cos2beta is e...

    Text Solution

    |

  3. tan""(2pi)/(5)-tan""(pi)/(15)-sqrt3tan""(2pi)/(5)tan""(pi)/(15) is equ...

    Text Solution

    |

  4. If A +B+C= pi and m/C is obtuse then tan A. tan B is

    Text Solution

    |

  5. If tan A=1/2 and tan B=1/3 , then the value of A+B is

    Text Solution

    |

  6. The value of (sin^3 theta + cos^3 theta)/(sin theta+ costheta)+((cos^3...

    Text Solution

    |

  7. The extremum values of cos x are :

    Text Solution

    |

  8. The value of sin^2 alpha cos^2 beta + cos^2 alpha sin^2 beta + sin^2 a...

    Text Solution

    |

  9. If A= cos^(4)theta+sin^(2)theta , then for all values of theta :

    Text Solution

    |

  10. If tan theta=a/b, then the value of b cos 2theta+asin 2 theta is

    Text Solution

    |

  11. If A lies in the third quardrant and 3 tan A -4 =0 , then 5 sin 2A+3 s...

    Text Solution

    |

  12. If sin A+sin B + sin C =3, then the value of cos A + cos B + cos C is

    Text Solution

    |

  13. If x=ycos((2pi)/(3))=zcos((4pi)/(3)),then what is xy + yz + zx equal t...

    Text Solution

    |

  14. (1+cos.(pi)/(8))(1+cos.(3pi)/(8))(1+cos.(5pi)/(8))(1+cos.(7pi)/(8)) is...

    Text Solution

    |

  15. If (sinx)/(1+cosx)+(sinx)/(1-cosx)=4 and 0^@ le x le 90^@, then the va...

    Text Solution

    |

  16. The equation a "sin" x+b "cos" x = c, " where"|c| gt sqrt(a^(2) + b^(2...

    Text Solution

    |

  17. The value of 16 sin 144^@ sin 108^@ sin 72^@ sin 36^@ is equal to

    Text Solution

    |

  18. cos 2x + 2cos x is always :-

    Text Solution

    |

  19. If sin theta+ cosec theta =2, then sin^n theta+"cosec"^n theta is equa...

    Text Solution

    |

  20. The value of [sqrt3 cot 20^(@) -4 cos 20^(@)] is equal to-

    Text Solution

    |