Home
Class 12
MATHS
If in(cos8x+1)/(tan 2x-cot 2x) dx =a cos...

If `in(cos8x+1)/(tan 2x-cot 2x) dx =a cos 8x +c` then a=

A

`-1/16`

B

`1/8`

C

`1/16`

D

`-1/8`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • MOCK TEST PAPER -III

    MODERN PUBLICATION|Exercise SELECT THE CORRECT ANSWER|60 Videos

  • PARABOLA

    MODERN PUBLICATION|Exercise RECENT COMPETITION QUESTION (QUESTION FROM KARNATAKA CET & COMED)|9 Videos

Similar Questions

Explore conceptually related problems

int (cos 2x-1)/(cos 2x+1) dx =

int (cos 4x-1)/(cot x-tanx)dx equals :

int cos x. log (tan (x/2)) dx =

cos ^(2) 2x -cos ^(2) 6x = sin 4x sin 8x

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

If sin x + sin y= (1)/(2) and cos x + cos y=1 , then tan (x+y) =______

int1/(cos 2x +sin^(2)x) dx =

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

MODERN PUBLICATION-MOCK TEST PAPER -IV-SELECT THE CORRECT ANSWER
  1. The maximum area in squre units of an isosceles triangle inscribed in...

    Text Solution

    |

  2. in (x^(3)-1)/(x^(3)+x)dx=

    Text Solution

    |

  3. If in(cos8x+1)/(tan 2x-cot 2x) dx =a cos 8x +c then a=

    Text Solution

    |

  4. intunderset(-1)overset(1) (x^(27) cos x +e^(x))dx=

    Text Solution

    |

  5. The value of the integral intunderset(0)overset(pi)(x sin^(2n)x)/(sin^...

    Text Solution

    |

  6. underset(0)overset(pi)intxf(sin x)dx=A underset(0)overset(pi//2)int f(...

    Text Solution

    |

  7. underset(1)overset(e )int log x dx =

    Text Solution

    |

  8. The area of the region bounded by the curves y=x^(2) and y=4x-x^(2) in...

    Text Solution

    |

  9. The area bounded by the curves y = cos x y = sin x between the ordinat...

    Text Solution

    |

  10. The area of the region enclosed by the curves y=x , x =e y=(1)/(x) an...

    Text Solution

    |

  11. Let the straight line x =b divide the area enclosed by y=(1-x)^(2) y=...

    Text Solution

    |

  12. The differential equation of the family of parabolas y^(2)=4ax where a...

    Text Solution

    |

  13. If (dy)/(dx)=(y+xtan(y)/(x))/(x) then sin (y)/(x)=

    Text Solution

    |

  14. The product of the degree and order of the D.E ((d^(2)y)/(dx^(2)))^...

    Text Solution

    |

  15. The general solution of the D.E f(dy)/(dx)+y g(x).g(x) where g(x) is...

    Text Solution

    |

  16. The directio ratios of the line which is perpendicular to the lines <r...

    Text Solution

    |

  17. A line making anlges 45^(@) and 60^(@) with the positive direction o...

    Text Solution

    |

  18. The shortest distance between the lines (x-3)/(3)=(y-8)/(-1)=(z-3)/...

    Text Solution

    |

  19. Given two vectors hat i-hatj and hat i +2 hatj the unit vector coplana...

    Text Solution

    |

  20. If veca , vecb,vecc are three non zero vectors such that each one of t...

    Text Solution

    |