Home
Class 11
MATHS
Prove that:\ (sin3A+sin A)sin A+(cos3A-c...

Prove that:`\ (sin3A+sin A)sin A+(cos3A-cos A)cos A=0`

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • THE STRAIGHT LINES

    RD SHARMA ENGLISH|Exercise All Questions|493 Videos

  • TRIGONOMETRIC EQUATIONS

    RD SHARMA ENGLISH|Exercise All Questions|120 Videos

Similar Questions

Explore conceptually related problems

Prove that a) (sin3A + sinA)sinA+(cos3A-cosA) cosA=0 b) cos20^(@)cos40^(@)cos80^(@)=1/8

Prove that: (sin 3 x +sin x) sin x + (cos 3x - cos x) cos x = 0

Prove that: (sin A+sin3A)/(cos A-cos3A)=cotA

Prove that: (sin3A+sin5A +sin7A+sin9A)/(cos3A+cos5A+cos7A+cos9A)=tan6A

Prove that: (sinA+sin3A+sin5A)/(cos A+cos3A+cos5A)=tan3A

Prove that: \ sin3A+sin2A-sin A=4sin A cos (A/2)cos((3A)/2)

Prove that : (sin A - sin B)/ (cos A + cos B) + (cos A - cos B)/ (sin A + sin B) = 0

Prove that: (sinA+sin3A+sin5A+sin7A)/(cosA+cos3A+cos5A+cos7A)=tan4A

Prove that: (sinA+sin3A+sin5A+sin7A)/(cosA+cos3A+cos5A+cos7A)=tan4A

Prove that: (sinA+s in3A+sin5A+sin7A)/(cosA+cos3A+cos5A+cos7A)=tan4A

RD SHARMA ENGLISH-TRANSFORMATION FORMULAE-All Questions
  1. Prove that cot4x(sin5x+sin3x)=cot x(sin5x-sin3x)

    Text Solution

    |

  2. Prove that : sin x+sin3x+sin5x+sin7x=4cos x\ cos2xsin4x

    Text Solution

    |

  3. Prove that:\ (sin3A+sin A)sin A+(cos3A-cos A)cos A=0

    Text Solution

    |

  4. show that cos2thetacos(theta/2)-cos3thetacos((9theta)/2)=sin5thetasin(...

    Text Solution

    |

  5. Prove that: (cosalpha+cosbeta)^2+(sinalpha+sinbeta)^2=4cos^2((alpha-be...

    Text Solution

    |

  6. Prove that: (cosalpha-cosbeta)^2+(sinalpha-sinbeta)^2=4sin^2((alpha-be...

    Text Solution

    |

  7. Prove that: cosalpha+cosbeta+cosgamma+cos(alpha+beta+gamma)=4cos((alph...

    Text Solution

    |

  8. Prove that: (cos4x+cos3x+cos2x)/(sin4x+sin3x+sin2x)=cot3x

    Text Solution

    |

  9. Prove that: (cos2A\ cos3A-cos2Acos7A+cos10 A cos A)/(sin4A\ sin3A-sin2...

    Text Solution

    |

  10. If three angles A, B, and C are in A.P. prove that: cot B=(sin A-sin C...

    Text Solution

    |

  11. Prove that: (cos6theta+6cos4theta+15 cos2theta+10)/(cos5theta+5cos3the...

    Text Solution

    |

  12. Express each of the following as the product of sines and cosines: sin...

    Text Solution

    |

  13. Express each of the following as the product of sines or cosines: cos ...

    Text Solution

    |

  14. Express each of the following as the product of sines and cosines: sin...

    Text Solution

    |

  15. Express each of the following as the product of sines and cosines: sin...

    Text Solution

    |

  16. Express each of the following as the product of sines and cosines: cos...

    Text Solution

    |

  17. Prove that: sin38^0+sin 22^0=sin 82^0

    Text Solution

    |

  18. Prove that: \ sin 50^0+sin 10^0=cos 20^0

    Text Solution

    |

  19. Prove that: sin 105^@+cos 105^@=cos 45^@

    Text Solution

    |

  20. Prove that: cos 100^0+cos 20^0=cos 40^0

    Text Solution

    |