Home
Class 12
MATHS
In a triangle ABC, if cos A cos B + sin ...

In a triangle `ABC`, if `cos A cos B + sin A sin B sin C = 1`, then `a:b:c` is equal to

Promotional Banner

Topper's Solved these Questions

  • INVERSE TRIGONOMETRIC FUNCTIONS

    RESONANCE DPP|Exercise All Questions|15 Videos
  • MATRICES

    RESONANCE DPP|Exercise All Questions|7 Videos

Similar Questions

Explore conceptually related problems

In a triangle ABC,sin A-cos B=cos C then angle B is

If in a triangle ABC,4sin A = 4 sin B=3 sin C, then cos C=

In any triangle ABC, prove that: a cos A+b cos B+c cos C=2a sin B sin C

In a Delta ABC, if 4cos A cos B+sin2A+sin2B+sin2C=4 then triangle ABC is

RESONANCE DPP-JEE MAINS-All Questions
  1. Find the following: lim(xrarr0^+)({x})^(1//x)

    Text Solution

    |

  2. Find the following: lim(xrarroo)(x^2-3x+2)/(x^3+3x)

    Text Solution

    |

  3. In a triangle ABC, if cos A cos B + sin A sin B sin C = 1, then a:b:c ...

    Text Solution

    |

  4. Which of the following is and determinate form (lim)(xvec1)(x^3-1)/(x-...

    Text Solution

    |

  5. Which of the following holds goods for any tiangle ABC, a,b,c are the ...

    Text Solution

    |

  6. Evaluate the following: lim(xrarr1)(x^3-1)/(x^2-6x+5)

    Text Solution

    |

  7. int(dx)/((x^2+4x+5)^2)i se q u a lto 1/2[tan^(-1)(x+1)+("x"+2)/("x"^...

    Text Solution

    |

  8. In a triangle, with usual notations, the length of the bisector of ang...

    Text Solution

    |

  9. Evaluate the following: lim(xto1/3)(3x^2+5x-2)/(9x^2-1)

    Text Solution

    |

  10. If varphi(x)=int(1/x)^(sqrt(x))sin(t^2)dt then varphi^(prime)(1)= ...

    Text Solution

    |

  11. In Figure D\ a n d\ E are two points on B C such that B D=D E=E Cdo...

    Text Solution

    |

  12. An ordinary cubical dice having six faces marked with alphabets A, ...

    Text Solution

    |

  13. If f(x)=e^(g(x))a n dg(x)=int2^x(tdt)/(1+t^4) then f^(prime)(2) has th...

    Text Solution

    |

  14. Three equal circles each of radius r touch one another. The radius of ...

    Text Solution

    |

  15. Let V be the vertex and L be the latusrectum of the parabola x^2=2y+4x...

    Text Solution

    |

  16. If I(m,n)=int0^1 t^m(1+t)^n.dt, then the expression for I(m,n) in term...

    Text Solution

    |

  17. In a triangle PQR, P is the largest angle and cosP=1/3. Further the in...

    Text Solution

    |

  18. ((lim)(xvecoo)int0x(tan^(-1)t)^2dt)/(sqrt(x^2+1))h a st h ev a l u e ...

    Text Solution

    |

  19. The inverse of the matrix A=|(1,1,1),(1,omega,omega^2),(1,omega^2,omeg...

    Text Solution

    |

  20. The number of odd divisor of the number N=2^(10). 3^5 .7^2, are 16 ...

    Text Solution

    |