Home
Class 12
MATHS
If, in Delta ABC, a = 18, b = 24, c = 30...

If, in `Delta ABC, a = 18, b = 24, c = 30`,
then : `sin A`= ....

A

`1//5`

B

`3//5`

C

`2//5`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRIC FUNCTIONS

    MARVEL PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS - PART - A : BUILDING-UP THE BASE (B) Properties of triangles|27 Videos

  • TRIGONOMETRIC FUNCTIONS

    MARVEL PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS - PART - B : MASTERING THE BEST|58 Videos

  • TRIGONOMETRIC FUNCTIONS

    MARVEL PUBLICATION|Exercise HARDER SOLVED EXAMPLES|43 Videos

  • THREE DIMENSIONAL GEOMETRY

    MARVEL PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS|39 Videos

  • VECTORS

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP|20 Videos

Similar Questions

Explore conceptually related problems

If, in Delta ABC, a = 16, b = 24, c = 20 , then : sin (A/2) = ....

If, in triangleABC , a=18, b=24, c=30, then: sin A=……..

In Delta ABC if a= 16 , b= 24 and c = 20 then cos B/2

If Delta ABC, a = 18, b = 24, c = 30 then the area of the triangle is

In a Delta ABC, if : a = 16, b = 24 and c = 20 then : cos(B/2) =

In triangleABC , if a=18, b=24, c=30 , then tanA=

If in Delta ABC,a=4,b=12,/_B=30^(@), then find sin A.

In any triangle ABC, if a=" "18 , b=" "24 , c=" "30 , find sinA, sinB, sinC

In triangleABC , if a=18, b=24, c=30 , then A(triangleABC)

MARVEL PUBLICATION-TRIGONOMETRIC FUNCTIONS-MULTIPLE CHOICE QUESTIONS - PART - A : BUILDING-UP THE BASE
  1. General solution of the equation 4 cot 2 theta = cot^(2) theta - tan...

    Text Solution

    |

  2. If, in Delta ABC, a = 16, b = 24, c = 20, then : sin (A/2)= ....

    Text Solution

    |

  3. If, in Delta ABC, a = 18, b = 24, c = 30, then : sin A= ....

    Text Solution

    |

  4. If, in Delta ABC, a = 8, b = 15, c = 17. then : sin(A/2) and cos A a...

    Text Solution

    |

  5. If Delta ABC, a = 18, b = 24, c = 30 then the area of the triangle i...

    Text Solution

    |

  6. If, in DeltaABC, a = sqrt(2), b = sqrt(3), c = sqrt(5), then the area ...

    Text Solution

    |

  7. If the area of an acute-angled triangle is 75 m^(2) and two of its sid...

    Text Solution

    |

  8. If, DeltaABC, B = 90^(@), C = 60^(@), b=1 find a and c

    Text Solution

    |

  9. In triangle ABC,a= 5,b=7 and sin A =3/4 how many such triangle are pos...

    Text Solution

    |

  10. In a DeltaABC, if A=45^(@) and B=75^(@), then a+sqrt(2)c=

    Text Solution

    |

  11. If in DeltaABC,(cosA)/(a)=(cosB)/(b)=(cosC)/(c) and side a=2, then th...

    Text Solution

    |

  12. If in DeltaABC , a = 4,b=3, A = 60^(@) then c is a root of the equati...

    Text Solution

    |

  13. If in a triangle ABC, 3sinA=6sinB=2sqrt3sinC then the value of /A=

    Text Solution

    |

  14. A circle is inscribed in an equilateral triangle of side a. The area o...

    Text Solution

    |

  15. If, in Delta ABC, angle A,B,C are in A.P. And b : c = sqrt(3) : sqrt(2...

    Text Solution

    |

  16. If, in Delta ABC, a = 2b and A = 3B, then A :

    Text Solution

    |

  17. If Delta ABC, is right angled at C, then: 4s (s - a)(s - b)(s-c) = ....

    Text Solution

    |

  18. If sin (A + B + C) = 1, tan (A - B) = 1//sqrt(3) and "sec" (A + C) = 2...

    Text Solution

    |

  19. If H is the orthocentre of the Delta ABC, then find AH.

    Text Solution

    |

  20. If the side of a right-angled triangled are in A.P., then tangents of ...

    Text Solution

    |