Home
Class 12
MATHS
If (sinalpha)/(sinbeta)=(cosgamma)/(cosd...

If `(sinalpha)/(sinbeta)=(cosgamma)/(cosdelta), then (sin((alpha-beta)/2)*cos((alpha+beta)/2)*cosdelta)/(sin((delta-gamma)/2)*sin((delta+gamma)/2)*sinbeta)` is equal to

Text Solution

Verified by Experts

The correct Answer is:
1
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRIC FUNCTIONS AND IDENTITIES

    ARIHANT MATHS|Exercise Exercise (Subjective Type Questions)|22 Videos

  • TRIGONOMETRIC FUNCTIONS AND IDENTITIES

    ARIHANT MATHS|Exercise Exercise (Questions Asked In Previous 13 Years Exam)|18 Videos

  • TRIGONOMETRIC FUNCTIONS AND IDENTITIES

    ARIHANT MATHS|Exercise Exercise 5 : Matching Type Questions|1 Videos

  • TRIGONOMETRIC EQUATIONS AND INEQUATIONS

    ARIHANT MATHS|Exercise Exercise (Questions Asked In Previous 13 Years Exam)|12 Videos

  • VECTOR ALGEBRA

    ARIHANT MATHS|Exercise Exercise (Questions Asked In Previous 13 Years Exam)|9 Videos

Similar Questions

Explore conceptually related problems

If 102! =2^(alpha)*3^(beta)*5^(gamma)*7^(delta) …, then

Prove that: (cosalpha+cosbeta)^2+(sinalpha+sinbeta)^2=4cos^2((alpha-beta)/2)

If sin alpha+sinbeta=l, cos alpha+ cos beta= m and tan(alpha/2)tan(beta/2)=n(!= 1) , then

If sin (alpha+beta)=1, sin (alpha-beta)=1/2 , then tan (alpha+ 2beta). tan (2 alpha+beta) is equal to :

If sinalpha+sinbeta=a and cosalpha+cosbeta=b , prove that tan(alpha-beta)/2=+-sqrt((4-a^2-b^2)/(a^2+b^2)) .

Prove that cosalpha+cosbeta+cosgamma+cos(alpha+beta+gamma)=4cos(alpha+beta)/(2)cos(beta+gamma)/2cos(gamma+alpha)/2

If tan (alpha- beta)= (sin 2 beta)/(5-cos 2 beta) , find tan alpha: tan beta .

If "cot"(alpha+beta=0, then "sin"(alpha+2beta can be

Using vectors, prove that sin (alpha+beta)=sin alpha cos beta+ cos alpha sin beta .

Using vectors prove that sin(alpha - beta) = sin alpha cos beta- cos alpha sin beta .

ARIHANT MATHS-TRIGONOMETRIC FUNCTIONS AND IDENTITIES-Exercise (Single Integer Answer Type Questions)
  1. In a DeltaA B C ,1/(1+tan^2(A/2))+1/(1+tan^2(B/2))+1/(1+tan^2(C/2))=k ...

    Text Solution

    |

  2. If (sinalpha)/(sinbeta)=(cosgamma)/(cosdelta), then (sin((alpha-beta)/...

    Text Solution

    |

  3. Find the exact value of the expression tan(pi/20)-tan((3pi)/20)+tan((5...

    Text Solution

    |

  4. Find theta (in degree) satisfying the equation,tan 15^@ *tan 25^@* ta...

    Text Solution

    |

  5. The value of "cosec"10^(@)+"cosec"50^(@)-"cosec"70^(@) is

    Text Solution

    |

  6. If cos 5 alpha=cos^5 alpha, where alpha in (0,pi/2) then find the poss...

    Text Solution

    |

  7. tan^2 ((pi)/16) + tan^2 ((2pi)/16) + tan^2((3pi)/16).........+tan^2((7...

    Text Solution

    |

  8. Compute the square of the value of the expression (4+sec 20^@)/(cosec ...

    Text Solution

    |

  9. In DeltaABC, if (sinA)/(3)=(cosB)/(3)=(tanC)/(2), then the value of ...

    Text Solution

    |

  10. It f and g be function defined by f(theta) = cos^2 theta and(theta) = ...

    Text Solution

    |

  11. If sum of the series 1+x log(|(1-sinx)/(cos x)|)((1+sin x)/(cos x))^(1...

    Text Solution

    |

  12. If 9x/costheta+5y/sintheta=56 and 9xsintheta/cos^2theta-5ycostheta/sin...

    Text Solution

    |

  13. The angle A of the DeltaABC is obtuse. x = 2635 - tan B tan C, if [x]...

    Text Solution

    |

  14. If sin^(2)A=x and underset(r=1)overset(4)Pi sin (r A)=ax^(2)+bx^(3)+cx...

    Text Solution

    |

  15. If x,y in Rsatisfies (x+5)^(2)+(y-12)^(2)=(14)^(2) , then the minimum ...

    Text Solution

    |

  16. The least degree of a polynomial with integer coefficient whose one of...

    Text Solution

    |

  17. If A+B+C=180^(@), (sin 2A+sin 2B+sin2C)/(sinA+sinB+sinC)=k sin. (A)/(2...

    Text Solution

    |

  18. The value of p(x) = 5x -4x^2 + 3 for x = 1 is :

    Text Solution

    |

  19. In any DeltaABC, then minimum value of 2020sum (sqrt((sinA)))/((sqr...

    Text Solution

    |

  20. If sintheta+sin^2theta+sin^3theta=1, then prove that cos^6theta-4cos^4...

    Text Solution

    |