Home
Class 11
MATHS
If tan 35^(@) = k , then the value of...

If ` tan 35^(@) = k , ` then the value of `( tan 145^(@) - tan 125^(@))/(1+ tan 145^(@) tan 125^(@))`=

A

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

B

`(2k)/(1+k^(2))`

C

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

D

`(1-k^(2))/(1+k^(2))`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • TRIGONOMERTIC RATIOS

    AAKASH SERIES|Exercise EXERCISE- II|52 Videos

  • TRIGONOMERTIC RATIOS

    AAKASH SERIES|Exercise PRACTICE EXERCISE|77 Videos

  • TRIGONOMERTIC RATIOS

    AAKASH SERIES|Exercise ADDITIONAL EXERCISE|11 Videos

  • TRIGNOMETRIC EQUATIONS

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE (PRACTICE SHEET (ADVANCED) INTEGER TYPE QUESTIONS)|2 Videos

  • TRIGONOMETRIC EQUATIONS

    AAKASH SERIES|Exercise Practice Exercise|49 Videos

Similar Questions

Explore conceptually related problems

The value of (tan 80^@ - tan 10^(@))/( tan 70^(@))

Find the value of tan 10^(@) + tan 35^(@) + tan 10^(@) . tan 35^(@)

The value of (tan 70^(@) - tan 20^(@))/tan 50^(@) =

(tan 23^(@) + tan 22^(@))/(1- tan23^(@) * tan 22^(@))=

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

tan 9^(@) - tan 27^(@) - tan 63^(@) + tan 81^(@) =

Find the value of tan 100^(@)+tan125^(@)+tan 100^(@). Tan 125^(@) .

Find the value of tan 10 ^(@) +tan35^(@)+ tan 10^(@). tan 35^(@)

tan 203^(@) + tan 22^(@) + tan 203^(@) tan 22^(@) =

AAKASH SERIES-TRIGONOMERTIC RATIOS-EXERCISE - I
  1. Cos (-(9pi)/(4))=

    Text Solution

    |

  2. sin 120^(@) cos 150^(@)- cos 240^(@) sin 330^(@) =

    Text Solution

    |

  3. If tan 35^(@) = k , then the value of ( tan 145^(@) - tan 125^(@))/...

    Text Solution

    |

  4. If sin A = 3/5, tan B = 1/2 and pi/2 lt A lt pi and pi lt B lt (3pi)/...

    Text Solution

    |

  5. If theta lies in the first quadrant and 5 tan theta = 4 , " then "...

    Text Solution

    |

  6. If Sin^(2) theta = K^(2) ( 0 lt k lt 1) and 180^(@) lt theta lt 270^(@...

    Text Solution

    |

  7. If tan theta = 3/4 and theta is not in the first quadrant then (sin (p...

    Text Solution

    |

  8. If tan theta = p/q then (p sin theta - q cos theta)/(p sin theta + q c...

    Text Solution

    |

  9. a sin^(2) theta + b cos^(2) theta =c implies tan^(2) theta =

    Text Solution

    |

  10. If tan theta = -4//3 " then " sin theta =

    Text Solution

    |

  11. If Tan theta = (2 x(x+1))/(2x+1) then Sin theta =

    Text Solution

    |

  12. If tan theta =(1)/(sqrt(7)) and theta is an acute angle , then ("cos...

    Text Solution

    |

  13. If alpha and beta are complementary angles then sin^(2)(90^(@)-alpha)+...

    Text Solution

    |

  14. cos^(2) 9^(@)+cos^(2)18^(@)+cos^(2) 27^(@)+...+cos^(2)81^(@)=

    Text Solution

    |

  15. sum(k=1)^3 cos^(2)((2k-1)(pi)/(12))=

    Text Solution

    |

  16. tan1^(@).tan2^(@).tan3^(@)...tan89^(@)=

    Text Solution

    |

  17. log10 tan1^@+log10 tan2^@+log10 tan3^@+......+log10 tan89^@=..........

    Text Solution

    |

  18. cot. (pi)/(20) cot. (3pi)/(20) cot. (5pi)/(20) cot. (7pi)/(20) cot. (9...

    Text Solution

    |

  19. Sin24^(@)+sin32^(@)+sin204^(@)+sin212^(@)=

    Text Solution

    |

  20. cos. (pi)/(7) + cos. (2pi)/(7) + cos. (3pi)/(7) + cos. (4pi)/(7) + cos...

    Text Solution

    |