Home
Class 11
MATHS
tan(/B A O)=3, then find the ratio B C :...

`tan(/_B A O)=3,` then find the ratio `B C : C Adot`

Promotional Banner

Topper's Solved these Questions

  • STRAIGHT LINES

    CENGAGE PUBLICATION|Exercise All Questions|486 Videos

Similar Questions

Explore conceptually related problems

In A B C ,C=60^0a n dB=45^0dot Line joining vertex A of triangle and its circumcenter (O) meets the side BC in D Find the ratio B D : D C and A O : O D

If a : b = 3 : 2 " and " b : c = 3 : 2 , then find the value of the ratio (a + b) : (b + c) .

In isosceles triangles A B C ,| vec A B|=| vec B C|=8, a point E divides A B internally in the ratio 1:3, then find the angle between vec C Ea n d vec C A(w h e r e| vec C A|=12)dot

If vec a , vec b , and vec c be non-zero vectors such that no two are collinear or ( vec axx vec b)xx vec c=1/3| vec b|| vec c| vec adot If theta is the acute angle between vectors vec b and vecc , then find the value of sin thetadot

If det, (A-B) ne 0, A^(4)=B^(4), C^(3) A=C^(3)B and B^(3)A=A^(3)B , then find the value of det. (A^(3)+B^(3)+C^(3)) .

If an a triangle A B C , b=3 c, a n d C-B=90^0, then find the value of tanB

Let the angles A , Ba n dC of triangle A B C be in AdotPdot and let b : c be sqrt(3):sqrt(2) . Find angle Adot

Reduce the following ratios into their lowest from and find their inverse ratios 3b : 12c . (Where b and c are not zero).

Find the expansion: tan (A + B - C)

CENGAGE PUBLICATION-TRIGONOMETRIC FUNCTIONS-All Questions
  1. The number of solutions of 12cos^3x-7cos^2x+4cosx=9 is (a) 0 (b) 2 (...

    Text Solution

    |

  2. If the sines of the angles A and B of a triangle ABC satisfy the equ...

    Text Solution

    |

  3. tan(/B A O)=3, then find the ratio B C : C Adot

    Text Solution

    |

  4. The sum of all the solutions of cottheta=sin2theta(theta!=npi, n inte...

    Text Solution

    |

  5. In triangle, A B Cif2a^2b^2+2b^2c^2=a^4+b^4+c^4, then angle B is equa...

    Text Solution

    |

  6. If angle C of triangle ABC is 90^0, then prove that tanA+tanB=(c^2)/(a...

    Text Solution

    |

  7. The system of equations tanx=acotx ,tan2x=bcosy (a)cannot have a so...

    Text Solution

    |

  8. The sides of A B C satisfy the equation 2a^2+4b^2+c^2=4a b+2ac Then a...

    Text Solution

    |

  9. By geometrical interpretation, prove that tan(alpha+beta)=(tanalph...

    Text Solution

    |

  10. The equation 2sin^3theta+(2lambda-3)sin^2theta-(3lambda+2)sintheta-2la...

    Text Solution

    |

  11. If sides of triangle A B C are a , ba n dc such that 2b=a+c then b/c >...

    Text Solution

    |

  12. By geometrical interpretation, prove that (i) sin(alpha+beta)=si...

    Text Solution

    |

  13. If theta=pi/(2^n+1) , prove that: 2^ncosthetacos2thetacos2^2 cos2^(n-1...

    Text Solution

    |

  14. Let f(x)=cos(a1+x)+1/2cos(a2+x)+1/(2^2)cos(a3+x)+ ........+ 1/(2^(n-1)...

    Text Solution

    |

  15. Three circle touch one another externally. The tangents at their point...

    Text Solution

    |

  16. Prove that tan20^0tan40^0tan80^0=tan60^0

    Text Solution

    |

  17. If cottheta+tantheta=x and sectheta-costheta=y , prove that (x^2y)^(...

    Text Solution

    |

  18. The solution of the system of equations sinxsiny=(sqrt(3))/4,cosxcosy=...

    Text Solution

    |

  19. Find the least value of sec A+secB+secC in an acute angled triangle

    Text Solution

    |

  20. In triangle ABC if cosAcosB +sinAsinB sinC=1 then prove that a:b:c=1:1...

    Text Solution

    |