Home
Class 11
MATHS
(sin75^(@) - sin 15^(@))/(cos 75^(@) + c...

`(sin75^(@) - sin 15^(@))/(cos 75^(@) + cos 15^(@))` A)`-sqrt3`B)`sqrt3`C)`(1)/(sqrt3)`D)`(1)/(sqrt3)`

A

`-sqrt3`

B

`sqrt3`

C

`-(1)/(sqrt3)`

D

`(1)/(sqrt3)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRIC FUNCTIONS

    MARVEL PUBLICATION|Exercise MCQs|175 Videos

  • STRAIGHT LINE

    MARVEL PUBLICATION|Exercise MISCELLANEOUS MCQS|160 Videos

  • TRIGONOMETRIC FUNCTIONS OF COMPOUND ANGLES AND FACTORIZATION FORMULAE

    MARVEL PUBLICATION|Exercise MCQs|101 Videos

Similar Questions

Explore conceptually related problems

Solve that : (sin75^(@)+sin15^(@))/(sin75^(@)-sin15^(@))=sqrt(3)

(cos15^(@)+sin15^(@))/(cos15^(@)-sin15^(@))=(i)1(ii)sqrt(3)(iii)(1)/(sqrt(3))(iv)2+sqrt(3)

If : sin 40^(@)-cos 70^(@)= k * cos 80^(@), "then" : k = A) sqrt1 B) sqrt2 C) sqrt3 D) sqrt4

4sin^(3)75^(0)-3cos15^(0)= (1)/(2) (1)/(sqrt(2)) (1)/(sqrt(3)) sqrt(3)

1/3 (sqrt3 cos 23^(@) - sin 23^(@))=

Solve sin^(-1) x - cos^(-1) x = cos ^(-1). sqrt3/2 .

Prove that (i) " 2 cos " 45^(@) " cos " 15^(@)=((sqrt(3)+1))/(2) " "(ii) 2 " sin " 75^(@) " sin " 15^(@)=(1)/(2) (iii) " cos " 15^(@) - " sin " 15 =(1)/(sqrt(2))

frac(cos60^@ + sin 60^@)(cos60^@- sin 60^@) is equal to (A) -(sqrt3 +2) (B) -1 (C ) (sqrt3 -2) (D) (sqrt3 + 2)

What is the value of (tan 9^(@) tan 23^(@) tan 60^(@) tan67^(@) tan 81^(@))/("cosec"^(2)72^(@)+cos^(2)15^(@)-tan^(2)18^(@)+cos^(2)75^(@))? (a) (1)/(2 sqrt(3)) (b) (sqrt(3))/(2) (c) (1)/(sqrt(3)) (d) 2 sqrt(3)

2sin 60^(@)-cos180^(@)+(1//3)sin270^(@)= A) sqrt2+(3)/(2) B) sqrt3+(2)/(3) C) sqrt2-(3)/(2) D) sqrt3-(2)/(3)

MARVEL PUBLICATION-TRIGONOMETRIC FUNCTIONS-MCQs
  1. cos 55^(@) + cos 65^(@) + cos 175^(@)= A)0B)1C)sin 18^(@)D)cos 36 ^(@)

    Text Solution

    |

  2. sin 10^(@)+sin 20^(@) + sin 40 ^(@) + sin 50 = A)sin 15^(@) +sin 75^(@...

    Text Solution

    |

  3. (sin75^(@) - sin 15^(@))/(cos 75^(@) + cos 15^(@)) A)-sqrt3B)sqrt3C)(1...

    Text Solution

    |

  4. (cos21^(@) -sin21^(@))/(cos21^(@) + sin21^(@)) A)tan21^(@)B)cot66^(@)C...

    Text Solution

    |

  5. sin 7 theta * sin theta+sin11theta * sin 3theta= A) sin 4 theta * sin ...

    Text Solution

    |

  6. 16 * cos ""(pi)/(12) * cos"" (4pi)/(12) * cos"" (5pi)/(12)= A)sqrt1B)s...

    Text Solution

    |

  7. If : A+B+C=pi, "then" : sin 2A + sin 2 B - sin 2 C= A)4 sin A * cos B ...

    Text Solution

    |

  8. If A+B+C=pi then sin2A+sin2B+sin2C=

    Text Solution

    |

  9. If : A+B+C=pi, "then" : 1-cos^(2) A-cos^(2)B-cos^(2)C= A)2 cos A * co...

    Text Solution

    |

  10. If : A+B+C=pi, "then"" "sin ^(2) A +sin^(2)B - sin ^(2)C= A)2 cos A * ...

    Text Solution

    |

  11. If : A+B+C=pi "then" : 1 - sin^(2)""(A)/(2) - sin^(2)""(B)/(2)+ sin^(...

    Text Solution

    |

  12. (csc theta - sin theta)(sec theta - cos theta)(tan theta+ cot theta)= ...

    Text Solution

    |

  13. sin 2A + sin 2B + sin 2 (A-B)= A)4 sin A * sin B * sin (A-B) B)4 sin A...

    Text Solution

    |

  14. 4 cos A * cos B * sin (A-B)

    Text Solution

    |

  15. sin^(2)A*tan^(2)A+cos^(2)A*cot^(2) A= A)1 + tan^(2)A + cot^(2) A B)tan...

    Text Solution

    |

  16. sqrt(tan^(4) A + cot ^(4) A+ 2)= A)1 + sec^(2) A + csc^(2)A B)sec^(...

    Text Solution

    |

  17. If : sec theta * tan theta (sectheta + tan theta) + (sec theta - tan t...

    Text Solution

    |

  18. If : 4(sin 3 theta * cos^(3) theta * 3 theta * sin^(3) theta)=m * sin ...

    Text Solution

    |

  19. If : tan((pi)/(4)+theta) - tan((pi)/(4) - theta) =m*tan (ntheta),"then...

    Text Solution

    |

  20. If Tan(picostheta)=cot(pisintheta) then the value of (s) of cos(theta-...

    Text Solution

    |