Home
Class 12
MATHS
In triangle ABC, angleA=pi/3 and b:c =2:...

In `triangle ABC, angleA=pi/3 and b:c =2:3, tan theta=sqrt3/5, 0 lt theta lt pi/2` then

A

`B=60^(@)+theta`

B

`C=60^(@)+theta`

C

`C=60^(@)-theta`

D

`C=60^(@)-theta`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • PROPERTIES OF TRIANGLES AND CIRCLES CONNECTED WITH THEM

    OBJECTIVE RD SHARMA|Exercise Exercise|98 Videos

  • PLANE AND STRAIGHT LINE IN SPACE

    OBJECTIVE RD SHARMA|Exercise Chapter Test|31 Videos

  • REAL FUNCTIONS

    OBJECTIVE RD SHARMA|Exercise Chapter Test|60 Videos

Similar Questions

Explore conceptually related problems

In a Delta ABC,A=(pi)/(3) and b:c=2:3. If tan alpha=(sqrt(3))/(5),0

If the point R divides the line segment joining the point (2, 3) and (2 tan theta, 3 sec theta), 0 lt theta lt (pi)/(2) internally in the ratio 2 :3 , then the locus of R is

If 3 sin 2 theta = 2 sin 3 theta and 0 lt theta lt pi , then sin theta =

If tan theta +cot theta =(4)/(sqrt(3)) , where 0 lt theta lt (pi)/(2) , then sin theta +cos theta is equal to

If sintheta + cos theta = (1+ sqrt(3))/2 , where 0 lt theta lt pi/2 , then what is tantheta + cot theta equal to ?

If 3 tan (theta-15^(@))=tan(theta+15^(@)), 0lt thetalt pi,then theta=

Solve 5 cos 2 theta+2 "cos"^(2) theta/2 +1=0, -pi lt theta lt pi .

Fill in the blanks ine ach of the following so that that resulting sentence becomes true. If sin theta=2/3, (5pi)/2 lt theta lt 3pi then sin (theta/2) = __________.

OBJECTIVE RD SHARMA-PROPERTIES OF TRIANGLES AND CIRCLES CONNECTED WITH THEM-Chapter Test
  1. If the sides of a triangle are a, b and sqrt(a^(2) + ab + b^(2)), then...

    Text Solution

    |

  2. In a DeltaA B Csum(b+c)tanA/2tan((B-C)/2)=

    Text Solution

    |

  3. In triangle ABC, angleA=pi/3 and b:c =2:3, tan theta=sqrt3/5, 0 lt the...

    Text Solution

    |

  4. In a DeltaABC, AD is the altitude from A. Given bgtc ,angleC=23^(@) an...

    Text Solution

    |

  5. If the angles A, B, C (in that order) of triangle ABC are in arithmeti...

    Text Solution

    |

  6. If the radius of the incircle of a triangle withits sides 5k, 6k and 5...

    Text Solution

    |

  7. Two sides of a triangle are 2sqrt2 and 2sqrt3cm and the angle opposite...

    Text Solution

    |

  8. In a triangleABC, a=13cm, b=12 and c=5cm The distance of A from BC is

    Text Solution

    |

  9. In a triangleABC,B=pi/8, C=(5pi)/(8). The altitude from A to the side ...

    Text Solution

    |

  10. In a DeltaABC, A=(2pi)/3, b-c=3sqrt3 cm and area(DeltaABC)=(9sqrt3)/2 ...

    Text Solution

    |

  11. In DeltaABC if a=(b-c)sectheta then (2sqrt(bc))/(b-c)sin(A/2)=

    Text Solution

    |

  12. In a DeltaABC, (a + b + c) (b + c - a) = lambda bc. (where symbols ha...

    Text Solution

    |

  13. If in DeltaABC, a=2b and A=3B, then A is equal to

    Text Solution

    |

  14. Let the angles A , B and C of triangle A B C be in AdotPdot and let b ...

    Text Solution

    |

  15. If in a Delta ABC, AD, BE and CF are the altitudes and R is the circum...

    Text Solution

    |

  16. If in a triangleABC=(a)/(cos A)=(b)/(cos B), then

    Text Solution

    |

  17. In a triangleABC, s/R=

    Text Solution

    |

  18. If in a triangleABC, A=pi/3 and AD is the median, then

    Text Solution

    |

  19. If any triangleABC, the value of a(b^(2)+c^(2))cos A+b(c^(2)+a^(2))cos...

    Text Solution

    |

  20. If the angle of a right angled triangle are in A.P. then the ratio of ...

    Text Solution

    |