Home
Class 12
MATHS
In any triangle ABC, the value of (b^(2)...

In any triangle ABC, the value of `(b^(2)sin 2C + c^(2) sin 2B)` is-

A

`Delta`

B

`2Delta`

C

`3Delta`

D

`4Delta`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • MCQ's

    CHHAYA PUBLICATION|Exercise QUESTION PAPER 6|90 Videos

  • MCQ's

    CHHAYA PUBLICATION|Exercise QUESTION PAPER 9|66 Videos

  • MCQ's

    CHHAYA PUBLICATION|Exercise QUESTION PAPER 7|90 Videos

  • MCQ ZONE 3

    CHHAYA PUBLICATION|Exercise Question Paper 8|30 Videos

  • Measures of Central Tendency

    CHHAYA PUBLICATION|Exercise Exercise 2 C Very short answer type question|18 Videos

Similar Questions

Explore conceptually related problems

In any triangle ABC, the valur of a (cos ^(2) B+ cos ^(2)C)+ cos A (b cos B+ c cos C) is-

If the area of the triangle ABC be triangle , show that, b^(2)sin 2C + c^(2) sin 2B= 4triangle .

In any triangle ABC, the value of (b+c) tan ""A/2 tan ""(B-C)/(2)+ (c+a) tan ""B/2 tan ""(C-A)/(2) + (a+b) tan ""C/2 tan ""(A-B)/(2) is-

ABC is a right angled triangle, then the value of sin^(2)A + sin^(2)B + sin^(2)C will be-

In any triangle ABC show that b^2sin2C+c^2sin 2B=abc/R

For any triangle ABC, find the value of (bc cos^2(A/2)+cacos^2(B/2)+abcos^2(C/2))/(a+b+c .

In any triangle ABC, show that (a sin C)/(b - a cosC)= tanA .

In any triangle ABC, prove that (sin A)/(sin B + sin C) + (sin B)/(sin C + sin A) + (sin C)/(sin A + sinB) ge 3/2 .

In any triangle ABC, prove that, (b^(2)-c^(2))cot A + (c^(2)-a^(2)) cot B + (a^(2)-b^(2)) cot C=0

In any triangle ABC, if sin^(2)A + sin^(2)B + sin^(2)C = 9/4 , show that the triangle is equilateral.

CHHAYA PUBLICATION-MCQ's-QUESTION PAPER 8
  1. The most general values of theta satisfying the two equations cos thet...

    Text Solution

    |

  2. In any triangle ABC, if a,b,c are in A.P. then tan ""A/2, tan ""B/2, t...

    Text Solution

    |

  3. In any triangle ABC, the value of (b^(2)sin 2C + c^(2) sin 2B) is-

    Text Solution

    |

  4. If a sin theta =b sin (120^(@) +theta) =c sin (240^(@) +theta), then ...

    Text Solution

    |

  5. The value of theta ( 0 lt theta lt (pi)/(2)) for which cos theta sin (...

    Text Solution

    |

  6. The maximum value of [sin (x+(pi)/(6))+cos (x+(pi)/(6))] in the interv...

    Text Solution

    |

  7. The value of cos ""pi/7 cos ""(2pi)/(7) cos ""(3pi)/(7) is-

    Text Solution

    |

  8. In a triangle ABC, a=4 , b=3, A=60^(@), then c is the root of the equa...

    Text Solution

    |

  9. The valud of sin 12^(@) sin 48^(@) sin 54^(@) is equal to-

    Text Solution

    |

  10. In a right angled triangle, the hypotense is four times as long as the...

    Text Solution

    |

  11. If n is an integer, which of the following is correct ?

    Text Solution

    |

  12. If 1+ sin ^(2) A=3 sin A cos A , then possible values of tan A are-

    Text Solution

    |

  13. The soluition of the equation sin theta -2= cos 2 theta in the interv...

    Text Solution

    |

  14. The value od the expression sqrt(2+sqrt(2+sqrt(2+2 cos 8 theta )))is-

    Text Solution

    |

  15. If tan x =b/a, then the value of (a cos 2x+ b sin 2x) is equal to-

    Text Solution

    |

  16. If x= sum(n=0)^(oo) cos ^(2n)theta , y = sum (n=o) ^(oo) sin ^(2n)thet...

    Text Solution

    |

  17. In a triangle PQR, angle R=(pi)/(2). If tan ""P/2 and tan ""Q/2 are th...

    Text Solution

    |

  18. If A+B+C=pi then the value of cos ^(2)A + cos ^(2) B+ cos ^(2)C is-

    Text Solution

    |

  19. Find the value of sin^(2)5^(@)+sin^(2)10^(@)+sin^(2)15^(@)+..............

    Text Solution

    |

  20. If a,b, c are in G. P. then ((1)/(a ^(2) -b^(2))+ (1)/(b^(2))) is equl...

    Text Solution

    |