Home
Class 12
MATHS
Prove statement tan ( 2 "tan"^(-1)1/5-pi...

Prove statement `tan ( 2 "tan"^(-1)1/5-pi/4) + 7/17 =0`

Promotional Banner

Topper's Solved these Questions

  • MATRICES DETERMINANTS PROBABILITY

    USHA PUBLICATION|Exercise EXERCISE|59 Videos

  • PRACTICE PAPER

    USHA PUBLICATION|Exercise PRACTICE PAPER|95 Videos

Similar Questions

Explore conceptually related problems

Prove statement "tan"(-1)1/2 +"tan"^(-1) 1/5 +"tan"^(-1) 1/8 = pi/4

Prove statement "sin"^(-1)4/5 +2"tan"^(-1) 1/3= pi/2

Prove statement 4 "tan"^(-1) 1/5 -"tan"^(-1) 1/70 + "tan"^(-1) 1/99 = pi/4

Prove statement "tan"^(-1) 1/7+ "tan"^(-1)1/13="tan"^(-1) 2/9

Prove statement 2"tan"^(-1) 1/5 + "sec"^(-1) (5sqrt2)/7 +2 "tan"^(-1) 1/8 = pi/4

Prove statement "cos"" tan"^(-1) " cot sin"^(-1) x =x

Prove statement "tan"^(-1) x +"cot"^(-1)(x+1)="tan"^(-1)(x^2+x+1)

Prove statement "tan"^(-1) (a-b)/(1+ab)+"tan"^(-1)(b-c)/(1+bc) +"tan"^-1(c-a)/(1+ca) ="tan"^(-1) (a^2-b^2)/(1+a^2b^2) +"tan"^(-1)(b^2-c^2)/(1+b^2c^2)+"tan"^(-1) (c^2-a^2)/(1+c^2a^2)

Prove statement "tan"^2 "cos"^(-1)1/sqrt3 +"cot"^2 "sin"^-1 1/sqrt5 =6

Prove that 2 tan^-1(1/2) + tan^-1 (1/7) = tan^-1 (31/17) .

USHA PUBLICATION-MODEL QUESTION SET-MODEL QUESTION SET
  1. Let R={(m,n):2 divides m+n} on Z. Show that R is an equivalence relati...

    Text Solution

    |

  2. Find the feasible solution region of x+yle1,2x+3yle6,xge0,yge0.

    Text Solution

    |

  3. Prove statement tan ( 2 "tan"^(-1)1/5-pi/4) + 7/17 =0

    Text Solution

    |

  4. Prove that for any f:X rarr Y , f o idx = f =idY of.

    Text Solution

    |

  5. If ABC is a triangle, then prove that abs[[tanA,1,1],[1,tanB,1],[1,1,...

    Text Solution

    |

  6. Find B if B^(2)=[{:(17,8),(8,17):}]

    Text Solution

    |

  7. If f(x)=[[1+sin^2x,cos^2x,4sin2x],[sin^2x,1+cos^2x,4sin2x],[sin^2x,cos...

    Text Solution

    |

  8. Solve the following : [[x,1,3],[1,x,1],[3,6,3]]=0

    Text Solution

    |

  9. If f(x) = a In x + bx^2 + x has extreme values at x= - 1 and x = 2 the...

    Text Solution

    |

  10. If cos y = x cos(a+y) then prove that dy/dx = (cos^2(a+y))/sin a

    Text Solution

    |

  11. If ysqrt(x^2 +1) = log{sqrt(x^2 +1)- x} then prove that (x^2 +1) dy/dx...

    Text Solution

    |

  12. Find the equation of normal to the curve x^3 =4y which passes through ...

    Text Solution

    |

  13. If y=x^2cos^(-1)(frac[sqrtx-1][sqrtx+1])+x^2cosec^(-1)(frac[sqrtx+1][...

    Text Solution

    |

  14. Integrate int(frac[x-1][2x+1])dx

    Text Solution

    |

  15. int0^2[x^2]dx

    Text Solution

    |

  16. int0^(pi/2)e^x cosxdx

    Text Solution

    |

  17. Solve(x log x )dy/dx+y=2 log x.

    Text Solution

    |

  18. Find the area of the portion of the parabola y^2=4x bounded by the dou...

    Text Solution

    |

  19. If the sum of two unit vectors is a unit vector, show that the magnitu...

    Text Solution

    |

  20. Prove that : |veca + vecb|le|veca|+|vecb|.

    Text Solution

    |