Home
Class 11
MATHS
If sin A = 3/5, tan B = 1/2 and pi/2 lt...

If `sin A = 3/5, tan B = 1/2 ` and `pi/2 lt A lt pi` and `pi lt B lt (3pi)/(2)` then 8 `tan A - sqrt(5) sec B =`

A

`- 5/2`

B

`5/2`

C

`- 7/2`

D

`7/2`

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

If 13 sin A = 12 , pi//2 lt A lt pi and 3 sec B=5 , 3pi/2 lt B lt 2pi " then " 5 tan A+ 3tan^(2) 8 =

If cos alpha = (-3)/5 and sin beta = 7/25 where (pi)/2 lt alpha lt pi and 0 lt beta lt (pi)/2 then find the values of tan (alpha + beta) and sin (alpha + beta) .

If cos A =-3//5 , sin B=7//25 and 90^(@) lt A lt 180^@,0^(@) lt B lt 90^(@) , "then " tan (A+B)=

If 0 lt x lt pi , and cos x+ sin x =1//2 , then tan x=

Lt_(x to (pi)/(2))[ sinx]=

If cos h x=(sqrt(14))/(3),sin h x = cos theta and -pi lt theta lt -(pi)/(2) , then sin theta=

AAKASH SERIES-TRIGONOMERTIC RATIOS-EXERCISE - I
  1. sin 120^(@) cos 150^(@)- cos 240^(@) sin 330^(@) =

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  20. If A,B,C,D are the angles of a quadrilateral then cos""((A+B)/(2))+ ...

    Text Solution

    |