Home
Class 11
MATHS
Prove the following: sin^2 6x-sin^2 4x =...

Prove the following: `sin^2 6x-sin^2 4x = sin 2x sin 10x`

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

Prove the following: cos^2 2x - cos^2 6x = sin 4x sin 8x

Prove the following: sin2 x + 2 sin 4x + sin 6x = 4 cos^2 x sin 4x

Prove the following: (sin x -sin 3x)/(sin^2 x -cos^2 x)= 2sinx

Prove the following: cos 4x = 1 - 8sin^2 x cos^2 x

Prove the following: 3sin^–1 x = sin^–1 (3x – 4x^3), x in [–1/2 , 1/2]

Prove the following: cot 4x (sin 5x + sin 3x) = cot x (sin 5x -sin 3x)

Prove the following: sin (n + 1)x sin (n + 2)x + cos (n + 1)x cos (n + 2)x = cos x

Prove the following : (sin 5x -2sin 3x+sinx)/(cos 5x-cos x)= tan x .

Prove the following: sin(150^@+x)+sin(150^@-x)=cosx

Find the derivatives of the following : x^3sin x + 2x cos x-2x sin x .

PSEB-TRIGONOMETRIC FUNCTIONS-EXERCISE
  1. Prove the following: sin (n + 1)x sin (n + 2)x + cos (n + 1)x cos (n +...

    Text Solution

    |

  2. Prove the following: cos((3pi)/4+x)-cos((3pi)/4-x)=-sqrt2 sinx

    Text Solution

    |

  3. Prove the following: sin^2 6x-sin^2 4x = sin 2x sin 10x

    Text Solution

    |

  4. Prove the following: cos^2 2x - cos^2 6x = sin 4x sin 8x

    Text Solution

    |

  5. Prove the following: sin2 x + 2 sin 4x + sin 6x = 4 cos^2 x sin 4x

    Text Solution

    |

  6. Prove the following: cot 4x (sin 5x + sin 3x) = cot x (sin 5x -sin 3x)

    Text Solution

    |

  7. Prove the following: (cos9x -cos5x)/(sin17x-sin3x)=-(sin2x)/(cos10x)

    Text Solution

    |

  8. Prove the following: (sin5x + sin 3x)/(cos5x + cos3x)=tan4x

    Text Solution

    |

  9. Prove the following: (sin x-sin y)/(cosx + cos y)=tanfrac(x-y)(2)

    Text Solution

    |

  10. Prove the following: (sinx + sin3x)/(cosx + cos3x)=tan 2x

    Text Solution

    |

  11. Prove the following: (sin x -sin 3x)/(sin^2 x -cos^2 x)= 2sinx

    Text Solution

    |

  12. Prove the following: (cos4x + cos3x + cos2x)/(sin4x + sin 3x + sin 2x)...

    Text Solution

    |

  13. Prove the following: cot x cot 2x -cot 2x cot 3x -cot 3x cot x = 1

    Text Solution

    |

  14. Prove the following: tan 4x =(4tan x (1-tan^2x))/(1-6 tan^2x + tan^4x)

    Text Solution

    |

  15. Prove the following: cos 4x = 1 - 8sin^2 x cos^2 x

    Text Solution

    |

  16. Prove the following: cos 6x = 32 cos^6 x -48cos^4 x + 18 cos^2 x - 1

    Text Solution

    |

  17. Find the principal and general solutions of the following equation:- t...

    Text Solution

    |

  18. Find the principal and general solutions of the following equation:- s...

    Text Solution

    |

  19. Find the principal and general solutions of the following equation:- c...

    Text Solution

    |

  20. Find the principal and general solutions of the following equation:- c...

    Text Solution

    |