Home
Class 11
MATHS
Find sinfrac(x)(2), cosfrac(x)(2) and ta...

Find `sinfrac(x)(2), cosfrac(x)(2)` and `tanfrac(x)(2)` in the following:- `sin x=1/4`, x in quadrant II

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

Find sinfrac(x)(2), cosfrac(x)(2) and tanfrac(x)(2) in the following:- cos x= -1/3 , x in quadrant III

Find sinfrac(x)(2), cosfrac(x)(2) and tanfrac(x)(2) in the following:- tan x = -4/3 , x in quadrant II

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

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

Find dy/dx in the following: y=sin^-1((1 - x^2)/(1+x^2), 0

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

Evaluate the following integrals: int (2x+1)sin x dx .

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

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

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

PSEB-TRIGONOMETRIC FUNCTIONS-EXERCISE
  1. Prove the following: cos 6x = 32 cos^6 x -48cos^4 x + 18 cos^2 x - 1

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  6. Find the general solution of the following equations: cos 4 x = cos 2x

    Text Solution

    |

  7. Find the general solution of the following equations: cos 3x + cosx- c...

    Text Solution

    |

  8. Find the general solution of the following equations: sin 2x + cosx = ...

    Text Solution

    |

  9. Find the general solution of the following equations: sec^2 2x = 1- ta...

    Text Solution

    |

  10. Find the general solution of the following equations: sin x + sin 3x +...

    Text Solution

    |

  11. Prove that: 2cos frac (pi)(13)cos frac (9pi)(13)+cos frac (3pi)(13)+co...

    Text Solution

    |

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

    Text Solution

    |

  13. Prove that: (cos x + cos y)^2 + (sin x -sin y)^2 = 4 cos^2frac (x+y)(2...

    Text Solution

    |

  14. Prove that: (cosx-cosy)^2 +(sinx-siny)^2=4 sin^2frac (x-y)(2)

    Text Solution

    |

  15. Prove that: sin x + sin 3x + sin 5x + sin 7x= 4 cos x cos 2x sin 4x

    Text Solution

    |

  16. Prove that: ((sin 7x + sin 5x) + (sin 9x + sin 3x))/((cos7x + cos5x) +...

    Text Solution

    |

  17. Prove that: sin 3x + sin 2x -sin x = 4sin x cosfrac(x)(2)cosfrac(3x)(2...

    Text Solution

    |

  18. Find sinfrac(x)(2), cosfrac(x)(2) and tanfrac(x)(2) in the following:-...

    Text Solution

    |

  19. Find sinfrac(x)(2), cosfrac(x)(2) and tanfrac(x)(2) in the following:-...

    Text Solution

    |

  20. Find sinfrac(x)(2), cosfrac(x)(2) and tanfrac(x)(2) in the following:-...

    Text Solution

    |