Home
Class 12
MATHS
If in a triangle ABC, b=sqrt3, c=1 and B...

If in a triangle ABC, `b=sqrt3`, c=1 and `B-C-90^0`, then angle A is

A

`30^(@)`

B

`45^(@)`

C

`75^(@)`

D

`15^(@)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRIC FUNCTIONS

    TARGET PUBLICATION|Exercise Evaluation Test|34 Videos

  • TRIGONOMETRIC FUNCTIONS

    TARGET PUBLICATION|Exercise Critical Thinking|88 Videos

  • THREE DIMENSIONAL GEOMETRY

    TARGET PUBLICATION|Exercise Evaluation Test|9 Videos

  • VECTORS

    TARGET PUBLICATION|Exercise Evaluation Test|18 Videos

Similar Questions

Explore conceptually related problems

If in a triangle ABC,b=sqrt(3),c=1 and B-C-90^(0), then angle A is

If in a Delta ABC, b =sqrt3, c=1 and B-C =90^(@), then angle A is

In a triangle ABC,a/b=2+sqrt(3) and /_C=60^(@) then angle A and B is

If an a triangle ABC,b=3c and C-B=90^(@), then find the value of tan B

In a triangle ABC, if 2b=a+c and A-C=90, then sin B equals

In triangle ABC, b=sqrt3 c=1 and angleA=30^(@) then the measure of the largest angle of the triangle,is

In a triangle ABC, b = sqrt(3) cm, c = 1 cm, angle A = 30^(@) , what is the value of a ?

In a triangle ABC,if (sqrt(3)-1)a=2b,A=3B, then /_C is

TARGET PUBLICATION-TRIGONOMETRIC FUNCTIONS -Competitive Thinking
  1. If the area of a triangle ABC is given by Delta=a^(2)-(b-c)^(2), then ...

    Text Solution

    |

  2. Let PQR be a triangle of area Delta with a = 2, b = 7/2 and c =5/2, wh...

    Text Solution

    |

  3. If in a triangle ABC, b=sqrt3, c=1 and B-C-90^0, then angle A is

    Text Solution

    |

  4. The range of Tan^-1x is

    Text Solution

    |

  5. The domain of Sin^-1 ((2x+1)/3) is

    Text Solution

    |

  6. The trigonometric equation sin^(-1)x=2sin^(-1)a has a solution for all...

    Text Solution

    |

  7. If tan(cos^(-1) x) = sin (cot^(-1).(1)/(2)), then find the value of x

    Text Solution

    |

  8. sec^(2)(tan^(-1)2) +"cosec"^(2)(cot^(-1)3)=

    Text Solution

    |

  9. If sin^(-1)x+sin^(-1)y+sin^(-1)z=(pi)/(2), then the value of x^(2)+y^(...

    Text Solution

    |

  10. If sin^(-1)a+sin^(-1)b+sin^(-1)c=pi, then the value of asqrt((1-a^2))+...

    Text Solution

    |

  11. If cos^(-1)x + cos^(-1)y + cos^(-1)z = 3pi, then xy + yz +zx is equal ...

    Text Solution

    |

  12. If cos^(-1) sqrt(p)+cos^(-1)sqrt(1-p)+cos^(-1) sqrt(1-q)=(3pi)/(4), t...

    Text Solution

    |

  13. The number of real solutions of tan^(-1)sqrt(x(x+1))+sin^(-1)sqrt(x^2+...

    Text Solution

    |

  14. sin(cot^(-1)x)=

    Text Solution

    |

  15. If sin^(-1) ((2a)/(1+a^2))+ sin^(-1) ((2b)/(1+b^2)) = 2 tan^(-1)x then...

    Text Solution

    |

  16. Let cos(2 tan^(-1) x)=1/2 then the value of x is

    Text Solution

    |

  17. If cos(cot^(-1)((1)/(2)))=cot(cos^(-1)x), then a value of x is

    Text Solution

    |

  18. If x gt 0, then the value of sin[cot^(-1)cos(tan^(-1)x)] is equal to -

    Text Solution

    |

  19. For the equation cos^(-1)x+cos^(-1)2x+pi=0 , the number of real soluti...

    Text Solution

    |

  20. cos^(-1) ""(cos"" (7pi )/(6))

    Text Solution

    |