Home
Class 11
MATHS
If Tan40^(@) + 2 Tan 10^(@) = Cotx then ...

If `Tan40^(@) + 2 Tan 10^(@) = Cotx` then x =

A

`75^(@)`

B

`85^(@)`

C

`30^(@)`

D

`40^(@)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • COMPOUND ANGLES

    AAKASH SERIES|Exercise PRACTICE EXERCISE|46 Videos

  • COMPOUND ANGLES

    AAKASH SERIES|Exercise LECTURE SHEET (EXERCISE - I)|43 Videos

  • COMPOUND ANGLES

    AAKASH SERIES|Exercise EXERCISE - I|28 Videos

  • CHANGE OF AXES

    AAKASH SERIES|Exercise Practice Exercise|29 Videos

  • CONTINUITY

    AAKASH SERIES|Exercise ADVANCED SUBJECTIVE TYPE QUESTIONS|34 Videos

Similar Questions

Explore conceptually related problems

If Tan70^(@) - Tan20^(@) = k Cot40^(@) then k =

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

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

If 2Tan^(-1)(cosx)=Tan^(-1)(2cosecx) then x =

Assertion (A): tan40^(@) + tan 80^(@) - sqrt(3)tan 40^(@) tan80^(@)=-sqrt(3) Reason ( R): tan( A + B) =tan A + tan B + tan(A + B) tan A tan B

If A=35^(@) , B= 15^(@) and C=40^(@) , then tan A* tan B+ tan B* tan C+ tan C* tan A=

If 3 tan 2 x - 4 tan 3 x = tan ^(2) 3 x tan 2 x then x =

AAKASH SERIES-COMPOUND ANGLES-EXERCISE - II
  1. The value of ( sin theta )/( sin^(2) (pi//8 + theta //2)-sin^(2)(pi//8...

    Text Solution

    |

  2. 2(cos^(2) 73^(0) +cos^(2)47^(0)) - cos 154^(0) =

    Text Solution

    |

  3. If Tan40^(@) + 2 Tan 10^(@) = Cotx then x =

    Text Solution

    |

  4. If A+B+C= 360^(@) " then " cot""(A)/(4)+ cot ""(B)/(4) + cot ""(C)/(4)...

    Text Solution

    |

  5. Tan (A-B) + Tan (B-C) + Tan (C-A)

    Text Solution

    |

  6. If A+B+C=(pi)/2, " then " sum (cos (B+C))/(cos B cos C)=

    Text Solution

    |

  7. If alpha + beta + lambda = (pi)/(2) and cot alpha, cot beta, cot lamb...

    Text Solution

    |

  8. If Sin x Cosy = 1/4 and 3Tanx = 4 Tany then Sin (x - y) =

    Text Solution

    |

  9. If Cot A Cot B = 2 & Cos (A+B) = 3/5 then Sin A Sin B

    Text Solution

    |

  10. If cos (A-B)=3//5 and tan A tan B=2 , then which one of the following...

    Text Solution

    |

  11. Prove that sin^(2)alpha + cos^(2) (alpha + beta) + 2 sin alpha sin bet...

    Text Solution

    |

  12. sin A + sin B = sqrt(3) ( cos B- cos A )implies sin 3A + sin 3B=

    Text Solution

    |

  13. If (CosA)/(CosB)=nand(SinA)/(SinB)=m then (m^(2) - n^(2)) Sin^(2) B =

    Text Solution

    |

  14. If tan A=(x sin B)/(1- x cos B) and tan B=(y sin A)/(1-y cos A) then ...

    Text Solution

    |

  15. If tan beta =(n tan alpha )/(1+(1-n) tan^(2) alpha ), then tan(alpha-...

    Text Solution

    |

  16. If sin (120^(@) - alpha) = sin (120^(@) - beta) and 0 lt alpha,beta lt...

    Text Solution

    |

  17. If 2 tan A + cot A = tan B , then cot A +2 tan (A-B)=

    Text Solution

    |

  18. In a Delta ABC , if the angle C is obtuse, then tan A ta B =

    Text Solution

    |

  19. In a triangle ABC, fi Tan A + Tan B + Tan C = 6 and Tan A Tan B = 2 th...

    Text Solution

    |

  20. In Dleta ABC if Tan B = (2Sin ASinC)/(Sin(A+C)) then TanA, TanB, TanC ...

    Text Solution

    |