Home
Class 14
MATHS
Consider a DeltaABC satisfying 2aSin^(2)...

Consider a `DeltaABC` satisfying `2aSin^(2)((C)/(2))+2cSin^(2)((A)/(2))=2a+2c-3b`
`SinA, SinB, SinC` are in

A

G.P.

B

A.P.

C

H.P.

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRY

    PUNEET DOGRA|Exercise PREV YEAR QUESTIONS|163 Videos
  • STATISTICS

    PUNEET DOGRA|Exercise PRE YEAR QUESTIONS |163 Videos
  • VECTOR

    PUNEET DOGRA|Exercise Prev Year Questions|134 Videos

Similar Questions

Explore conceptually related problems

Consider a triangle ABC satisfying 2asin^(2)((C)/(2))+2csin^(2)((A)/(2))=2a+2c-3b Sin A , sin B , sin C are in

Consider a DeltaABC satisfying 2aSin^(2)((C)/(2))+2cSin^(2)((A)/(2))=2a+2c-3b The sides of the triangle are in

Consider a triangle ABC satisfying 2asin^(2)((C)/(2))+2csin^(2)((A)/(2))=2a+2c-3b The sides of the triangle are in

In any o+ABC, prove that: 2{a sin^(2)(C)/(2)+csin^(2)(A)/(2)}=a+c-b

In a DeltaABC,2asin^(2)C/2+2csin^(2)A/2=

In a DeltaABC (bsin(C-A))/(c^(2)-a^(2))+(csin(A-B))/(a^(2)-b^(2))=

The sides of DeltaABC satisfy the equation 2a^(2) + 4b^(2) + c^(2) = 4ab + 2ac . Then

Prove that, (c+a-b)/(2)=a sin^(2)(C/2)+csin^(2)(A/2)

PUNEET DOGRA-TRIGONOMETRY-PREV YEAR QUESTIONS
  1. If sin x + sin y = a and cos x + cos y = b, than tan^2((x+y)/(2))+tan^...

    Text Solution

    |

  2. In triangle ABC, if cos^(2)A + cos^(2)B - cos^(2) C = 1, then identify...

    Text Solution

    |

  3. Consider a DeltaABC satisfying 2aSin^(2)((C)/(2))+2cSin^(2)((A)/(2))=2...

    Text Solution

    |

  4. If p=tan(-(11pi)/(6)).q=tan((21pi)/(4)) and r=cot((383pi)/(6)), then w...

    Text Solution

    |

  5. The value of sin^2 5^@ + sin^2 10^@ + sin^2 15^@ + sin^2 20^@ + ... + ...

    Text Solution

    |

  6. On simplifying (sin^3A+sin3A)/(sinA)+(cos^3A-cos3A)/(cosA) we get

    Text Solution

    |

  7. Directions (FOR NEXT TWO): Let alpha be the root of the equation 25cos...

    Text Solution

    |

  8. Directions (FOR NEXT TWO): Let alpha be the root of the equation 25cos...

    Text Solution

    |

  9. (1-sinA+cosA)^2 is equal to :

    Text Solution

    |

  10. (tantheta)/(1-cottheta)+(cottheta)/(1-tantheta) is equal to -

    Text Solution

    |

  11. Let theta be a positive angle. Is the number of degrees in is divided ...

    Text Solution

    |

  12. What is (cos7x-cos3x)/(sin7x-2sin5x+sin3x) equal to?

    Text Solution

    |

  13. If (sin(x+y))/(sin(x-y))=(a+b)/(a-b), then what is (tanx)/(tany) equal...

    Text Solution

    |

  14. What is sqrt(1+sin2theta) equal to?

    Text Solution

    |

  15. If cot A = 2 and cot B = 3, then what is the value of (A+B)?

    Text Solution

    |

  16. What is sin^2 66 (1^@)/(2)-sin^2 23(1^@)/(2) equal to:

    Text Solution

    |

  17. If sin A sin(60^@-A)sin(60^@+A)=k sin 3A , then what is k equal to?

    Text Solution

    |

  18. Which one of the following in one of the solutions of the equation tan...

    Text Solution

    |

  19. What is the value of (1+sinA)/(1-sinA)-(1-sinA)/(1+sinA)?

    Text Solution

    |

  20. If A + B + C = pi, then what is cos (A+B) + cosC equal to?

    Text Solution

    |