Home
Class 12
MATHS
If in a DeltaABC,a=6cm,b=8cmandc=10cm, ...

If in a `DeltaABC,a=6cm,b=8cmandc=10cm`, then the value of sin 2A is

A

`6//25`

B

`8//25`

C

`10//25`

D

`24//25`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • PRACTICE SET 19

    MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS|Exercise Paper 2 (Mathematics)|50 Videos
  • PRACTICE SET 21

    MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS|Exercise PAPER 2 (MATHEMATICS)|50 Videos

Similar Questions

Explore conceptually related problems

In DeltaABC, a=2cm,b=3cmandc=4cm , then angle A is

If, in a Delta ABC, a = 6cm , b = 8 cm, c = 10cm, then : sin 2A =

In DeltaABC , right angled at B, if AB=12cm, BC= x and AC=13cm, then the value of x is

If three sides of a triangle are 6 cm, 8 cm and 10 cm, then the altitude of the triangle, using the largest side as its base, will be (a) 4.4 cm (b) 4.8 cm (c) 6 cm (d) 8 cm

ABC is a triangle in which AB=6cm,BC=8cm and CA=10cm. What is the value of cot(A/4)?

ABC is a triangle in which AB = 6cm, BC = 8 cm and CA = 10 cm. What is the value of cot (A/4)?

In DeltaABC , if a=6, b=8, c=10, evaluate cos2A.

In DeltaABC,AB=10 cm and BC=8 cm . Find the range of values that CA can take.

MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-PRACTICE SET 20-PAPER 2 (Mathematics)
  1. The set of values of theta satisfying the inequatioin 2sin^(2)theta-5s...

    Text Solution

    |

  2. The most general value of theta which satisfy both the equation cos th...

    Text Solution

    |

  3. If in a DeltaABC,a=6cm,b=8cmandc=10cm, then the value of sin 2A is

    Text Solution

    |

  4. The any DeltaABC under usual notation ,a(bcos C-c cosB) is equal to

    Text Solution

    |

  5. The area bounded by the hyperbola x^(2)-y^(2)=4 between the lines x=2 ...

    Text Solution

    |

  6. The value of the integral int(0)^(pi//2)log |tanx| dx is

    Text Solution

    |

  7. Find the point on the line (x+2)/3=(y+1)/2=(z-3)/2 at a distance of 3s...

    Text Solution

    |

  8. The value of int(-pi//2)^(pi//2) log""((2-sintheta)/(2+sintheta))d the...

    Text Solution

    |

  9. The equation of the line bisecting perpendicularly the semgent joining...

    Text Solution

    |

  10. 14. A line passes through the point of intersection of the lines 100x ...

    Text Solution

    |

  11. If A, B and C are three sets such that A nn B = A nn C and AuuB = A uu...

    Text Solution

    |

  12. Let R={(1, 3), (4, 2), (2, 4), (2, 3), (3, 1)} be a relation the set ...

    Text Solution

    |

  13. A man saves Rs. 200 in each of the first three months of his service. ...

    Text Solution

    |

  14. If I(1)=int(0)^(pi//2) x sin x dx and I(2) = int(0)^(pi//2) x cos x d...

    Text Solution

    |

  15. lim(x to 1 ) (log ex)^(1//logx) is equal to

    Text Solution

    |

  16. The function f(x) = [x] cos((2x-1)/2) pi where [ ] denotes the greate...

    Text Solution

    |

  17. The derivative of cos^(3)x w.r.t. sin^(3)x is

    Text Solution

    |

  18. The equation of the tangent to the curve x=2cos^(3) theta and y=3sin^(...

    Text Solution

    |

  19. The maximum value of Z = 4x + 2y subject to the constraints 2x+3y le ...

    Text Solution

    |

  20. If f(x)=sin xl e^(x) in [0,pi] then f(x)

    Text Solution

    |