Home
Class 11
MATHS
prove the following (cos2x)/(1+sin2x)...

prove the following
`(cos2x)/(1+sin2x) = tan(pi/4-x)`

Promotional Banner

Topper's Solved these Questions

  • STRAIGHT LINES

    MAXIMUM PUBLICATION|Exercise EXAMPLE|96 Videos

Similar Questions

Explore conceptually related problems

prove the following (sinx-sin3x)/(sin^2x-cos^2x)=2sinx

prove the following (cos4x+cos3x+cos2x)/(sin4x+sin3x+sin2x)=cot3x

prove the following cos(pi/4+x)+cos(pi/4-x) = sqrt2cosx

prove the following sin^2 6x-sin^2 4x =sin2xsin10x

Differentiate the following w.r.t. x (i) cos ^(-1)(sin x) (if) tan ^(-1)(sin x/(1+cos x)) (iii) sin ^(-1)((2^(x+1))/(1+4^x))

Prove that (cos2theta)/(1+sin2theta)=tan(pi//4-theta)

prove the following sin2x+2sin4x+sin6x=4cos^2xsin4x

Prove that int cos^2xdx=x/2+(sin2x)/4+c

Solve the following tan^(-1)2x+tan^(-1)3x=pi/4

Prove the following : tan^(-1)sqrtx=1/2 cos^(-1)((1-x)/(1+x)),x in[0,1]

MAXIMUM PUBLICATION-TRIGONOMETRIC FUNCTIONS-EXAMPLE
  1. prove the following sin2x+2sin4x+sin6x=4cos^2xsin4x

    Text Solution

    |

  2. prove the following (sinx-sin3x)/(sin^2x-cos^2x)=2sinx

    Text Solution

    |

  3. prove the following (cos2x)/(1+sin2x) = tan(pi/4-x)

    Text Solution

    |

  4. prove the following (sin3x)/(1+2cos2x)=sinx

    Text Solution

    |

  5. prove the following sin^2 6x-sin^2 4x =sin2xsin10x

    Text Solution

    |

  6. prove the following (cos4x+cos3x+cos2x)/(sin4x+sin3x+sin2x)=cot3x

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  9. Find the general solution of the following equations cos 3x+cos x-co...

    Text Solution

    |

  10. In Triangle ABC, if a=25, b=52 and c=63, find cos A and sin A.

    Text Solution

    |

  11. For any DeltaABC, prove that a(b cos C -c cos B) = b^2 - c^2

    Text Solution

    |

  12. For any DeltaABC, prove that (sin(B-C))/(sin(B+C))=(b^2-c^2)/(a^2)

    Text Solution

    |

  13. convert 2pi/3 radian measure into degree measure.

    Text Solution

    |

  14. Prove that (sin 5x+sin3x)/(cos 5x+cos3x)=tan4x

    Text Solution

    |

  15. For any DeltaABC, prove that (a+b)/c=cos((A-B)/2)/sin(c/2)

    Text Solution

    |

  16. For any DeltaABC, prove that sin ((B-C)/2)=(b-c)/a cos (A/2)

    Text Solution

    |

  17. Which of the following is not possible. sin x= 1/2

    Text Solution

    |

  18. Which of the following is not possible. cos x= 2/3

    Text Solution

    |

  19. Which of the following is not possible. cosec x= 1/3

    Text Solution

    |

  20. Which of the following is not possible. tan x= 8

    Text Solution

    |