Home
Class 12
MATHS
The value of int0^pi(sin(n+1/2)x)/(sin(x...

The value of `int_0^pi(sin(n+1/2)x)/(sin(x/2)dx` is

A

`(pi)/(2)`

B

0

C

`pi`

D

`2pi`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • DEFINITE INTEGRALS

    OBJECTIVE RD SHARMA|Exercise Chapter Test 1|60 Videos
  • DEFINITE INTEGRALS

    OBJECTIVE RD SHARMA|Exercise Chapter Test 2|60 Videos
  • DEFINITE INTEGRALS

    OBJECTIVE RD SHARMA|Exercise Section II - Assertion Reason Type|12 Videos
  • CONTINUITY AND DIFFERENTIABILITY

    OBJECTIVE RD SHARMA|Exercise Exercise|86 Videos
  • DERIVATIVE AS A RATE MEASURER

    OBJECTIVE RD SHARMA|Exercise Exercise|26 Videos

Similar Questions

Explore conceptually related problems

The value of int_(0)^( pi)(sin(1+(1)/(2))x)/(sin((x)/(2)))dx is,(a) n in I,n>=0(pi)/(2)(b)0(c)pi(d)2 pi

Prove that cosx+cos2x+ … + cosnx=(sin(n+1/2)x-sin(x/2))/(2sin(x/2)) and hence prove that : int_0^1(sin(n+1/2)x)/sin(x/2)dx=pi

int_(0)^( pi)(x sin x)/(1+sin x)dx

int_(0)^(pi)(x sin x)/(1-sin x)dx=

int_(0)^( pi)(x sin(x))/(1+sin(x))dx

If int_(0)^((pi)/(2))(dx)/(1+sin x+cos x)=In2, then the value of int_(0)^((pi)/(2))(sin x)/(1+sin x+cos x)dx is equal to:

int_(0)^(pi/2) sin^(-1)(sin x)dx

int_(0)^( pi)(sin x)/(1+cos^(2)x)dx =

OBJECTIVE RD SHARMA-DEFINITE INTEGRALS-Exercise
  1. The value of int(0)^(pi//2) x^(10) sin x" dx", is then the value of m...

    Text Solution

    |

  2. The value of int(0)^(pi//2) (1)/(1+tan^(3)x)dx is

    Text Solution

    |

  3. The value of int0^pi(sin(n+1/2)x)/(sin(x/2)dx is

    Text Solution

    |

  4. If (d)/(dx)f(x)=g(x) for a le x le b then, int(a)^(b) f(x) g(x) dx eq...

    Text Solution

    |

  5. For any integer n,the integral int(0)^(3) e^(sin^(2)x)cos^(3)(2n+1)x" ...

    Text Solution

    |

  6. The value of the integral int(0)^(3) sqrt(3+x^(3))dxlies in the inter...

    Text Solution

    |

  7. The value of the integral int(0)^(1) (1)/((1+x^(2))^(3//2))dx is

    Text Solution

    |

  8. If I=int(0)^(2pi) sin^(2) x" dx", then

    Text Solution

    |

  9. If int(0)^(1) f(x)=M,int(0)^(1) g(x)dx=N, then which of the following ...

    Text Solution

    |

  10. The value of int( 0)^(pi//4) (pix-4x^(2))log(1+tanx)dx is

    Text Solution

    |

  11. The value of int(-pi//2)^(pi//2) sin{log(x+sqrt(x^(2)+1)}dx is

    Text Solution

    |

  12. The value of int(0)^(2pi) cos^(99)x dx, is

    Text Solution

    |

  13. If f(a+x)=f(x), then int(0)^(na) f(x)dx is equal to (n in N)

    Text Solution

    |

  14. If f(t) is a continuous function defined on [a,b] such that f(t) is an...

    Text Solution

    |

  15. If f(x) is an integrable function over every interval on the real line...

    Text Solution

    |

  16. If I(1)=int(3pi)^(0) f(cos^(2)x)dx and I(2)=int(pi)^(0) f(cos^(2)x) th...

    Text Solution

    |

  17. If f(x) is a quadratic polynomial in x such that 6int0^1 f(x)dx-{f(0...

    Text Solution

    |

  18. The value of integral int(-2)^(4) x[x]dx is

    Text Solution

    |

  19. If h(a)=h(b), the value of the integral inta^b [f(g(h(x))]^(-1)f'(g...

    Text Solution

    |

  20. If F(x)=(1)/(x^(2))int(4)^(x) [4t^(2)-2F'(t)]dt then F'(4) equals

    Text Solution

    |