Home
Class 12
MATHS
int(cos4x+1)/(cosx-tanx)dx=k cos4 x+c th...

`int(cos4x+1)/(cosx-tanx)dx=k cos4 x+c` then.....

A

`k=-(1)/(2)`

B

`k=-(1)/(8)`

C

`k=-(1)/(4)`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • INTEGRALS

    KUMAR PRAKASHAN|Exercise PRACTICE PAPER-7 (SECTION-A)|6 Videos

  • INTEGRALS

    KUMAR PRAKASHAN|Exercise PRACTICE PAPER-7 (SECTION-B)|4 Videos

  • INTEGRALS

    KUMAR PRAKASHAN|Exercise SOLUTIONS OF NCERT EXEMLAR PROBLEMS (Objective Type Questions)|15 Videos

  • DETERMINANTS

    KUMAR PRAKASHAN|Exercise Practice Paper-4 (Section-D)|2 Videos

  • INVERSE TRIGONOMETRIC FUNCTIONS

    KUMAR PRAKASHAN|Exercise PRACTICE PAPER - 2 (SECTION - D)|2 Videos

Similar Questions

Explore conceptually related problems

If Integration using rigonometric identities : int (cos 4x+1)/(cot x-tan x)dx=A cos 4x+c then A=....

If Integration using trigonometric identities : int(cos 8x+1)/(tan2x-cot 2x)dx=acos 8 x+c then a = ..........

int(1+cos x)/(x+sinx)dx=....+C

int (sinx)/(3+4 cos^(2)x)dx

int(1)/(1+cos^(2)x)dx=.....

int(cos 2x-cos 2 theta)/(cosx-cos theta)dx=....+C

Method of integration by parts : inte^(3x)cos 4xdx=e^(3x)(A sin 4x+B cos4x)+c then.....

int(1-tanx)/(1+tanx)dx=.....

int sin^(-1)(cos x)dx=....

KUMAR PRAKASHAN-INTEGRALS -MULTIPLE CHOICE QUESTIONS(MCQS)
  1. int(sin^(3)2x)/(cos^(5)2x)dx=...

    Text Solution

    |

  2. int(1+tan^(2)x)/(1-tan^(2)x)dx=....

    Text Solution

    |

  3. int(cos4x+1)/(cosx-tanx)dx=k cos4 x+c then.....

    Text Solution

    |

  4. Integration using rigonometric identities : int ((sin theta+cos thet...

    Text Solution

    |

  5. int sec^((2)/(3))x*"cosec"^((4)/(3))x dx=....

    Text Solution

    |

  6. If Integration using rigonometric identities : int(sec^(2)x)/((1+tan...

    Text Solution

    |

  7. Integration using rigonometric identities : int tanx*sec^(2)x sqrt(1...

    Text Solution

    |

  8. Integration using rigonometric identities : int cos^(-(3)/(7))x sin^...

    Text Solution

    |

  9. int sec^(2)x*cosec^2(x)dx=.....+c

    Text Solution

    |

  10. int((sinx)^(99))/((cosx)^(101))dx=....+c

    Text Solution

    |

  11. Integration using rigonometric identities : int (x sin x)/((x cos x-...

    Text Solution

    |

  12. int(1-cos x)cosec^(2)xdx=.....+c

    Text Solution

    |

  13. If Integration using trigonometric identities : int sin 2x*cos 3 x d...

    Text Solution

    |

  14. If Integration using rigonometric identities : int (cos 4x+1)/(cot x...

    Text Solution

    |

  15. Integration using rigonometric identities : int(1+cosx)/(sin xcos x)...

    Text Solution

    |

  16. Integration using rigonometric identities : int (sin x cos x)/(sqrt(...

    Text Solution

    |

  17. If Integration using rigonometric identities : int(1)/(1+cotx)dx=px+...

    Text Solution

    |

  18. If Integration using trigonometric identities : int(cos 8x+1)/(tan2x...

    Text Solution

    |

  19. Integration using rigonometric identities : int (sinx- cos x)/(x^(2)...

    Text Solution

    |

  20. Integration of some particular functions : int x sqrt((1-x^(2))/(1+x...

    Text Solution

    |