Home
Class 11
MATHS
If alpha = Tan^(-1)((sqrt(1+x^2)-sqrt(1-...

If `alpha = Tan^(-1)((sqrt(1+x^2)-sqrt(1-x^2))/(sqrt(1+x^2)+sqrt(1-x^2)))` then prove that `x^(2) = sin 2alpha`.

A

x

B

`x^(3)`

C

`x^(2)`

D

`x^(4)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • REVISION EXERCISE

    AAKASH SERIES|Exercise HYPERBOLIC FUNCTIONS|10 Videos
  • REVISION EXERCISE

    AAKASH SERIES|Exercise PROPERTIES OF TRIANGLES|57 Videos
  • REVISION EXERCISE

    AAKASH SERIES|Exercise THRIGONOMETRIC EQUATIONS|22 Videos
  • REAL FUNCTIONS

    AAKASH SERIES|Exercise EXERCISE-1|34 Videos
  • STRAIGHT LINES

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE (LEVEL-II (ADVANCED) PRACTICE SHEET (ADDVANCED)) (Comprehension Type Questions)|6 Videos

Similar Questions

Explore conceptually related problems

If (sqrt(1 +x^2)+sqrt(1-x^2))/(sqrt(1+x^2)-sqrt(1-x^2))=3 then x=

If y=Tan^""(-1)((sqrt((1+x^(2)))+sqrt(1-x^(2)))/(sqrt(1+x^(2))-sqrt(1-x^(2)))) then find dy/dx .

Find Lt_(xto0)(sqrt(1+x)-sqrt(1+x^(2)))/(sqrt(1-x^(2))-sqrt(1-x))

Sin^(-1)[xsqrt(1-x)-sqrt(x)sqrt(1-x^(2))]=

tan^(-1)(x+sqrt(1+x^(2)))=

int (sqrt(1-x^(2))+sqrt(1+x^(2)))/(sqrt(1-x^(4)))dx=

int(x^(2))/(sqrt(1+x^(2))(1+sqrt(1+x^(2))))dx

tan[2Tan^(-1)((sqrt(1+x^(2))-1)/x)]=

AAKASH SERIES-REVISION EXERCISE-INVERSE TRIGONOMETRIC FUNCTIONS
  1. If Sin^(-1)(x)+Sin^(-1)(y)+Sin^(-1)(z) = pi, prove that xsqrt(1-x^(2))...

    Text Solution

    |

  2. If sin^(-1)x +sin^(-1)y+sin^(-1)z=pi then x^(4)+y^(4)+z^(4)+4x^(2)y^(2...

    Text Solution

    |

  3. If alpha = Tan^(-1)((sqrt(1+x^2)-sqrt(1-x^2))/(sqrt(1+x^2)+sqrt(1-x^2)...

    Text Solution

    |

  4. If cos^(-1)[(cos alpha+ cos beta)/(1+cos alpha cos beta)]=2 Tan^(-1)x ...

    Text Solution

    |

  5. The number of positive integral solution of the equation tan^(-1)x+cot...

    Text Solution

    |

  6. 2Tan^(-1)((sqrt(a-b))/(a+b)"tan"x/2)=

    Text Solution

    |

  7. Range of Sin^(-1)x+Cos^(-1)x+Tan^(-1)x is

    Text Solution

    |

  8. Value of underset(n rarr infty )(Lim) sum(r = 1)^(n) Tan^(-1) ((1)/(2r...

    Text Solution

    |

  9. sum(m=1)^(oo)Tan^(-1) ((2m)/(m^(4)+m^(2)+2))=

    Text Solution

    |

  10. If sin^(-1)(x-(x^2)/(2)+(x^3)/(4)-...infty)+cos^(-1)(x^2-(x^4)/(2)+(x^...

    Text Solution

    |

  11. If a(1),a(2),a(3),...a(n) are in A.P. with common difference d, then t...

    Text Solution

    |

  12. The number of solution of the equation Tan^(-1) sqrt(x^(2)+x)+"Cosec"^...

    Text Solution

    |

  13. The number of real solutions of Tan^(-1)sqrt(x(x+1))+Sin^(-1)sqrt(x^(2...

    Text Solution

    |

  14. If x(1),x(2),x(3) are the roots of x^(3)-6x^(2)+11x-6=0 then cot^(-1)(...

    Text Solution

    |

  15. If A=Tan^(-1)((1)/(7)), B=Cot^(-1)(3) then

    Text Solution

    |

  16. Cot^(-1)(sqrt(Cos alpha))-Tan^(-1)( sqrt(Cos alpha))=x then Sinx=

    Text Solution

    |

  17. If 1/2 le x le 1, then cos^(-1)x+cos^(-1)(x/2+1/2sqrt(3-3x^2)) is equ...

    Text Solution

    |

  18. cos^(-1) sqrt((a-x)/(a-b))= sin^(-1) sqrt((x-b)/(a-b)) is possible if

    Text Solution

    |

  19. The value of lim(|x| to oo) cos(tan^(-1)(sin(tan^(-1)x))) is equal to

    Text Solution

    |

  20. If p gt q gt r gt 0 then sum Cot^(-1)((pq+1)/(p-q))=

    Text Solution

    |