Home
Class 11
MATHS
If in triangle A B C, \delta = a^2-(b-c)...

If in triangle `A B C, \delta = a^2-(b-c)^2` , then find the value of `tanAdot`

Promotional Banner

Topper's Solved these Questions

  • STRAIGHT LINES

    CENGAGE PUBLICATION|Exercise All Questions|486 Videos

Similar Questions

Explore conceptually related problems

If an a triangle A B C , a=3b and B-A=90^0, then find the value of tanA

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

If in a triangle ABC, a=5, b=4 and A=pi/2 +B, then the value of tan ""C/2 is-

In a triangle ABC if b+c=3a then find the value of cot(B/2)cot(C/2)

In a triangle A B C ,/_A=60^0a n db : c=(sqrt(3)+1):2, then find the value of (/_B-/_C)dot

If in triangle A B C ,/_C=45^0 then find the range of the values of sin^2A+sin^2Bdot

In triangle ABC, if b^(2) =c^(2) +a^(2) then the value of (tan A+ tan C) is -

If the angles of the triangle ABC are in A.P. and b:c= sqrt3:sqrt2 then find the value of angleA

If in a triangle ABC, A=45^(@) , B=75^(@), then the value of (a+sqrt2c) is-

In triangle ABC, If cos B= a/(2c) , then the triangle is-

CENGAGE PUBLICATION-TRIGONOMETRIC FUNCTIONS-All Questions
  1. The equation cos^8x+bcos^4x+1=0 will have a solution if b belongs to

    Text Solution

    |

  2. Let f(n)=2cosn xAAn in N , then f(1)f(n+1)-f(n) is equal to

    Text Solution

    |

  3. If in triangle A B C, \delta = a^2-(b-c)^2 , then find the value of ta...

    Text Solution

    |

  4. The number of solutions of [sinx+cosx]=3+[-sinx]+[-cosx](w h e r e[] d...

    Text Solution

    |

  5. If sintheta1-sintheta2=a a n d costheta1+costheta2=b , then (a)a^2+b...

    Text Solution

    |

  6. If a , ba n dc are the side of a triangle, then the minimum value of (...

    Text Solution

    |

  7. sinx+cosx=y^2-y+a has no value of x for any value of y if a belongs to...

    Text Solution

    |

  8. If (cosx)/a=(cos(x+theta))/b=(cos(x+2theta))/c=(cos(x+3theta))/d then ...

    Text Solution

    |

  9. Let PQR be a triangle of area Delta with a=2,b=7/2 and c=5/2, where a,...

    Text Solution

    |

  10. If the inequality sin^2x+acosx+a^2>1+cosx holds for any x in R , then...

    Text Solution

    |

  11. If cosalpha+cosbeta=0=sinalpha+sinbeta, then cos2alpha+cos2beta is e...

    Text Solution

    |

  12. If the angle A ,Ba n dC of a triangle are in an arithmetic propression...

    Text Solution

    |

  13. The equation sin^4x-2cos^2x+a^2=0 can be solved if

    Text Solution

    |

  14. Value of (3+cot80^0cot20^0)/(cot80^0+cot20^0) is equal to (a)cot20^0...

    Text Solution

    |

  15. Let A B C be a triangle such that /A C B=pi/6 and let a , b and c deno...

    Text Solution

    |

  16. If tanalpha is equal to the integral solution of the inequality 4x^2-...

    Text Solution

    |

  17. Consider the system of linear equations in x , ya n dz : ""(sin3theta...

    Text Solution

    |

  18. Let A B C D be a quadrilateral with area 18 , side A B parallel to the...

    Text Solution

    |

  19. The number of ordered pairs which satisfy the equation x^2+2xsin(x y)+...

    Text Solution

    |

  20. Let alpha,beta be such that pi lt alpha-beta lt3 pi. If sin alpha+ sin...

    Text Solution

    |