Home
Class 11
MATHS
In triangle ABC are in A.P and b:c= sqrt...

In triangle ABC are in A.P and `b:c= sqrt(3): sqrt(2)`, then

A

`sin (2C-A) = sin(B//4)`

B

`sin(A-C)=sin(B//4)`

C

`sin(A+C)=cosB`

D

`cos(A-C)=sin(B//2)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • PROPERTIES OF TRIANGLES

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE-I) (LEVEL-II) (More than one correct answer Type Questions)|4 Videos
  • PROPERTIES OF TRIANGLES

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE-I) (LEVEL-II) (Linked Comprehension Type Questions)|3 Videos
  • PROPERTIES OF TRIANGLES

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE-I) (LEVEL-I) (Straight- Objective Type Questions)|55 Videos
  • PLANES

    AAKASH SERIES|Exercise ADVANCED SUBJECTIVE TYPE QUESTIONS|30 Videos
  • PROPERTIES OF VECTORS

    AAKASH SERIES|Exercise PRACTICE EXERCISES|55 Videos

Similar Questions

Explore conceptually related problems

If the angles of triangles ABC are in A.P. and b: c= sqrt3 : sqrt2 " then " angle a =

In a triangle ABC, if A,B, C are in A.P and b:c = sqrt3:sqrt2 , then

In a triangle ABC, if B=30^@ and c=sqrt3b , then A can be equal to

In a right angle triangle ABC, right angle is at B ,If tan A=sqrt(3) , then find the value of (i) sin A cos C+ cos A sin C "

In a triangle ABc if a=100= c=100 sqrt(2) and A=30^(@) then the angle B=

In a triangle ABC if 2a= sqrt(3)b+c then

If the angles A,B,C of a triangle are in A.P and sides a,b,c are in G.P then a^2,b^2,c^2 are in

AAKASH SERIES-PROPERTIES OF TRIANGLES-PRACTICE SHEET (EXERCISE-I) (LEVEL-II) (Straight- Objective Type Questions)
  1. If A = (pi )/(4) , B = ( 5pi )/(12) " then " a + sqrt( 2 ) c=

    Text Solution

    |

  2. In a triangle ABc if a=100= c=100 sqrt(2) and A=30^(@) then the angle ...

    Text Solution

    |

  3. In triangle ABC are in A.P and b:c= sqrt(3): sqrt(2), then

    Text Solution

    |

  4. If angles A, B and C are in AP, then (a + c)/b is equal to

    Text Solution

    |

  5. In DeltABC if, |{:(1,b,c),(1,c,a),(1,b,c):}|=0 then sin^(2)A+sin^(2) C...

    Text Solution

    |

  6. Equilateral triangle DEF is inscribed in equilateral triangle ABC as s...

    Text Solution

    |

  7. In triangle ABC, angle B = pi//3. " and " angle C = pi//4 . Let D div...

    Text Solution

    |

  8. In a triangle lfloor=55^(0), lfloorB=15^(0), lfloorC=110^(0) and (c^(2...

    Text Solution

    |

  9. In DeltaABC, if cosA+sinA -(2)/(cosB+sinB)=0, then the value of ((a+b)...

    Text Solution

    |

  10. In a triangle ABC if cos A.cos B.cos C=(sqrt(3)-1)/(8), sin A sinB sin...

    Text Solution

    |

  11. If sides of a triangles are in the ratio x: y : sqrt( x^(2) +xy + y...

    Text Solution

    |

  12. If two sides of a triangle are the roots of the equation 4x^2-(2sqrt6)...

    Text Solution

    |

  13. If the sides of trinangles are x^(2) + x+ 1,2 x + 1 , x^(-2) -1 wher...

    Text Solution

    |

  14. The straight roads intersect at angle of 60^@. A bus on one road is 2k...

    Text Solution

    |

  15. In DeltaABC, a^(2)+b^(2)+c^(2)=ac+ab sqrt(3). Then the triangle is

    Text Solution

    |

  16. The lengths of the two larger sides of a triangle are 10 and 9. If the...

    Text Solution

    |

  17. The roots of x^(2) - 2 sqrt 3 x+ 2=0 represent two sides of a tria...

    Text Solution

    |

  18. In triangle ABC, a=5,b=4, and cos(A+B)=(31)/(32). In this triangle c=

    Text Solution

    |

  19. If one angle of a triangle is 30^(@) and the lengths of the sides adja...

    Text Solution

    |

  20. In Delta ABC, if (2 cos A)/a+ (cos B)/b+ (2 cos C)/c=a/(bc)+b/(ca), th...

    Text Solution

    |