Home
Class 12
MATHS
In /\ABC, if acosA = bcosB then prove th...

In `/_\ABC`, if `acosA = bcosB` then prove that the triangle is right angled or an isosceles triangle

Promotional Banner

Topper's Solved these Questions

  • Trignometric Functions

    CHETANA PUBLICATION|Exercise EXERCISE|113 Videos
  • PROBABILITY DISTRIBUTIONS

    CHETANA PUBLICATION|Exercise EXERCISE|108 Videos

Similar Questions

Explore conceptually related problems

In /_\ABC if sin2A+sin2B = sin2C then prove that the triangle is a right angled triangle

In /_\ABC , if sin^2A+sin^2B = sin^2C , then, show that the triangle is a right angled triangle

Select the correct option from the given alternatives: If any /_\ABC , if acosB = bcosA , then the triangle is…...... A) Equilateral triangle B) Isosceles triangle C) Scalene triangle D) Right angled triangle

In /_\ABC , a=2 , b=3 , c=4 , prove that the triangle is obtuse angled.

In /_\ABC if frac{cosA}{a} = frac{cosB}{b} then show that it is an isosceles triangle

Solve the followimg In /_\ABC if cosA = sinB-cosC, then show that it is a right angled triangle.

Points A,B,C are on circle, such that m(arc AB)=m(arc BC)=120^@ . No point, except point B, is common to the arcs. What is the type of triangle ABC ? a)Equilateral triangle b)Scalene triangle c)Right angled triangle d)Isosceles triangle

If in triangle ABC, cosA=(sinB)/(2sinC) , then the triangle is

CHETANA PUBLICATION-Trignometric Functions-EXERCISE
  1. In /\ABC, if acosA = bcosB then prove that the triangle is right angl...

    Text Solution

    |

  2. Find the general solutions of the following equations: sintheta = frac...

    Text Solution

    |

  3. Find the general solutions of the following equations: costheta = frac...

    Text Solution

    |

  4. Find the general solutions of the following equations: tantheta = sqrt...

    Text Solution

    |

  5. Find the general solutions of the following equations: sintheta = -fra...

    Text Solution

    |

  6. Find the general solutions of the following equations: costheta = -fra...

    Text Solution

    |

  7. Find the general solutions of the following equations: cottheta = -sqr...

    Text Solution

    |

  8. Find the general solutions of the following equations: 4cos^2theta = 1

    Text Solution

    |

  9. Find the general solutions of the following equations: 4sin^2theta = 3

    Text Solution

    |

  10. Find the general solutions of the following equations: tan^2theta = 1

    Text Solution

    |

  11. Find the general solutions of the following equations: cos3theta = cos...

    Text Solution

    |

  12. Find the general solutions of the following equations: cos5theta = sin...

    Text Solution

    |

  13. Find the general solutions of the following equations: sec^2(2theta) =...

    Text Solution

    |

  14. Find the general solutions of the following equations: 4sinxcosx+2sinx...

    Text Solution

    |

  15. Find the general solutions of the following equations: sin2x+sin4x+sin...

    Text Solution

    |

  16. Find general solution of sqrt3cosx-sinx = 1

    Text Solution

    |

  17. Solve the triangle in which a=2,b=1 and c=sqrt3

    Text Solution

    |

  18. In any /\ABC, prove that asinA-bsinB = csin(A-B)

    Text Solution

    |

  19. In any /\ABC, prove that [frac{a-b}{a+b}] = frac{tan(frac{A-B}{2})}{ta...

    Text Solution

    |

  20. In any /\ABC, prove that frac{a^2sin(B-C)}{sinA}+frac{b^2sin(C-A)}{sin...

    Text Solution

    |

  21. For /\ABC, prove that frac{cosA}{c cosB+bcosC}+frac{cosB}{acosC+c cosA...

    Text Solution

    |