Home
Class 12
MATHS
If tan 25 ^@ =a then ( tan 155^@ ...

If ` tan 25 ^@ =a ` then ` ( tan 155^@ - tan 115^2 )/( 1+tan 155^2 tan 115^@ ) `is

A

`(1-a^2)/( a)`

B

`(1-a^2)/(2a)`

C

`(2a)/(1-a^2)`

D

`(a)/(a-a^2)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRIC FUNCTIONS

    NEW JOYTHI PUBLICATION|Exercise QUESTIONS FROM COMPETITIVE EXAMS|134 Videos

  • TRIGONOMETRIC FUNCTIONS

    NEW JOYTHI PUBLICATION|Exercise QUESTIONS FROM COMPETITIVE EXAMS|134 Videos

  • THREE DIMENSIONAL GEOMETRY

    NEW JOYTHI PUBLICATION|Exercise Objective|36 Videos

  • VECTOR ALGEBRA

    NEW JOYTHI PUBLICATION|Exercise CONTINUOUS EVALUATION|2 Videos

Similar Questions

Explore conceptually related problems

IF tan 20^@ = p , then (tan 160^@ - tan 110^@ )/( 1+ tan 160^@ tan 110^@ )=

If tan 40^(@) = lambda , then (tan 140^(@) - tan 130^(@))/(1 + tan 140^(@) tan 130^(@)) =

tan 4x = (4 tan x (1- tan ^(2) x ))/( 1 - 6 yan ^(2) x + tan ^(4) x)

The value of tan^2 A - tan^2 B is

If tan40^o =lambda , then (tan140^o -tan130^o )/(1+tan140^o tan130^o) =

The value of tan 31^@ tan 33 ^@ tan 35 ^@ tan 50^@ is

NEW JOYTHI PUBLICATION-TRIGONOMETRIC FUNCTIONS-EXERCISE
  1. in a cyclic quadrilateral ABCD , cos A + cos B + cos C + cos ...

    Text Solution

    |

  2. If tan x - tany = a and cot y - cot x =b , then cot (x-y) is

    Text Solution

    |

  3. If tan 25 ^@ =a then ( tan 155^@ - tan 115^2 )/( 1+tan 155^2 ...

    Text Solution

    |

  4. sin ^2 ""(2pi )/(7) + sin ^2"" (3pi )/(14) + sin ^2 ""(11 pi)/(14) ...

    Text Solution

    |

  5. cos^2 ""(pi)/(8) + cos ^2 ""(3 pi)/(8) + cos ^2 ""(5 pi)/(8) + cos...

    Text Solution

    |

  6. The minimum value of 7 cos theta + 24 sin theta is

    Text Solution

    |

  7. sec ((pi)/(4) + theta ) . Sec ((pi)/(4) - theta ) is equal to

    Text Solution

    |

  8. If sin A + cos A =m then sin ^6 A + cos ^6 A is

    Text Solution

    |

  9. (cot theta + "cosec" theta -1)/( cot theta - "cosec" theta +1) is

    Text Solution

    |

  10. If (sin (A+B))/( sin (A-B )) = (x+y)/(x-y) , then x/y

    Text Solution

    |

  11. Let 0 lt a lt 1. if tan A =a and tan B= (1-a)/(1+a) then a possi...

    Text Solution

    |

  12. (sin ^2 3A )/( sin ^2 A ) -( cos^2 3A )/(cos ^2 A ) is

    Text Solution

    |

  13. If cos A = 3/4 then sin ""(A) /(2 ) . Sin 5 (A)/(2) is

    Text Solution

    |

  14. cos A + cos ( 120 ^@+A ) + cos ( 120^@ -A ) is

    Text Solution

    |

  15. cos ^3 A + cos^3 (120 +A ) + cos ^3 (120 - A) is

    Text Solution

    |

  16. cos A .cos (120^@ +A ) . Cos (120 ^@ -A ) is

    Text Solution

    |

  17. tan 6^@ . Tan 42^@. Tan 66^@ . Tan 78^@ is

    Text Solution

    |

  18. tan 3A - tan 2A - tan A is

    Text Solution

    |

  19. IF tan 18^@ and tan 27^@ are the roots of ax^2 - bx +c=0 then

    Text Solution

    |

  20. If sin theta + cos theta theta = sqrt(2) cos theta then cos t...

    Text Solution

    |