Home
Class 11
MATHS
If tan A = (1)/(2), tan B = (1)/(3)and A...

If tan `A = (1)/(2), tan B = (1)/(3)and A`, B are acute angles then find (A + B)

Text Solution

Verified by Experts

The correct Answer is:
`(pi)/(4)`
Promotional Banner

Topper's Solved these Questions

  • COMPOUND ANGLES

    AAKASH SERIES|Exercise EXERCISE - 2.1 ( SHORT ANSWER QUESTIONS)|14 Videos

  • COMPOUND ANGLES

    AAKASH SERIES|Exercise ADDITIONAL EXERCISE|12 Videos

  • COMPOUND ANGLES

    AAKASH SERIES|Exercise SPECIAL RESULTS|2 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 Tan A = (4)/(3), Tan B = (1)/(7) then A - B =

If Tan = (1)/(2), Tan B = (1)/(3) then Tan (A+B) =

If tan A = 1//2 , tan B=1//3 " then " cos 2A=

If tan A =18//17 , tan B=1//35 then tan (A-B)=

If tan (A-B)=7//24 , tan A=4//3 " where " A,B are acute , then A+B=

If tan A =cot B where A and B are acute angles prove that A+B= 90 ^(@)

If sin A cos B = (1)/(4) and 3 tan A = tan B then triangle is

If tan ((A -B)/( 2)) = (1)/(3) tan ((A+B)/( 2)) then a : b is

AAKASH SERIES-COMPOUND ANGLES-EXERCISE - 2.1 ( VERY SHORT ANSWER QUESTIONS)
  1. Express ((sqrt(3)cos 25^(@)+sin25^(@)))/(2) as a sine of an angle.

    Text Solution

    |

  2. Express (cos theta - sin theta) as a cosine of an angle.

    Text Solution

    |

  3. If tan A = (1)/(2), tan B = (1)/(3)and A, B are acute angles then find...

    Text Solution

    |

  4. If 0^(@) lt A, B lt 90^(@), such that cos A = 5/13, sin B = 4/5, find ...

    Text Solution

    |

  5. Find Tan ((pi)/(4) + A) in terms of Tan A

    Text Solution

    |

  6. Find Cot ((pi)/(4) + A) in terms of Cot A

    Text Solution

    |

  7. Prove that sin ^(2) theta + sin ^(2) (theta+(pi)/(3))+ sin ^(2) (theta...

    Text Solution

    |

  8. Prove that (cos9^(@)+sin9^(@))/(cos9^(@)-sin9^(@))=cot36^(@)

    Text Solution

    |

  9. If tan theta = (cos 11^(@)+sin11^(@))/(cos11^(@)-sin11^(@)) and theta ...

    Text Solution

    |

  10. Prove that tan70^(@)-tan20^(@)=2tan50^(@).

    Text Solution

    |

  11. Find tan 20^(@) + tan40^(@) + sqrt(3)tan20^(@)tan40^(@).

    Text Solution

    |

  12. Find the value of Tan10^(@) + Tan35^(@) + Tan10^(@).Tan35^(@).

    Text Solution

    |

  13. Find the value of tan56^(@)-tan11^(@)-tan56^(@).tan11^(@).

    Text Solution

    |

  14. Prove that Tan(theta + 135^(@)) Tan(theta-135^(@)) = - 1

    Text Solution

    |

  15. Show that cos 35^(@) + cos 85^(@) + cos 155^(@) = 0

    Text Solution

    |

  16. Prove that tan72^(@)=tan18^(@)+2tan54^(@).

    Text Solution

    |

  17. Show that sin 750 ^(@) cos 480^(@) + cos 120 ^(@) cos 60 ^(@)=-1/2

    Text Solution

    |

  18. Find the value of sin^(2) 45^(@) - sin^(2) 15^(@)

    Text Solution

    |

  19. Find the value of sin^(2)82 1/2-sin^(2)22 1/2.

    Text Solution

    |

  20. Find the value of cos^(2)45^(@)-sin^(2)15^(@)

    Text Solution

    |