Home
Class 12
MATHS
Write whether the following statements a...

Write whether the following statements are true or false.
The equation `"tan"^(-1)("cot"x)=2x` has exactly two real solutions.

Promotional Banner

Topper's Solved these Questions

  • TEST PAPER 10

    MODERN PUBLICATION|Exercise EXERCISE|33 Videos
  • TEST PAPER 3

    MODERN PUBLICATION|Exercise PROBLEM|63 Videos

Similar Questions

Explore conceptually related problems

Write whether the following statements are true or false. "tan"^(-1)("tan3")=3

Write whether the following statements are true or false. "tan"^(-1)2+"tan"^(-1)3=-pi/(4)

Write whether the following statements are true of false. 3"tan"^(-1)3="tan"^(-1)9/(13)

Write whether the following statements are true or false. "tan"^(-1)4/(3)+"cot"^(-1)((-3)/(4))=pi

Write whether the following statements are true of false. "sin"^(-1)1/(x)"cosec"^(-1)x=1

Write whether the following statements are true or false. 2"sin"^(-1)4/(5)="sin"^(-1)24/(25)

Write whether tan^(-1)(tan 3)=3 statements are true or false.

Write whether the following statements are true or false. "sec"^(-1)1/(2)+"cosec"^(-1)1/(2)=pi/(2)

Write whether the following statements are true or false. "sec"^(-1)(-7/(15))=pi-"cos"^(-1)5/(7)

Write whether the equation "tan"^(-1) ("cot"x)=2x has exactly two real solutions statements are true or false.

MODERN PUBLICATION-TEST PAPER 2-PROBLEM
  1. Show that hat(i) xx (vec(a) xx hat(i)) + hat(j) xx (vec(a) xx hat(j)) ...

    Text Solution

    |

  2. A variable plane meets the coordinate axes at P, Q, R points. If the p...

    Text Solution

    |

  3. Write whether the following statements are true or false. The equati...

    Text Solution

    |

  4. Show that the operation * given by x*y=x+y+ -xy is a binary oeration o...

    Text Solution

    |

  5. Solve the following : [[x+1,omega,omega^2],[omega,x+omega^2,1],[omega^...

    Text Solution

    |

  6. If f'(x)=sqrt(2x^2-1) and y=f(x^2) then what is dy/dx at x = 1 ?

    Text Solution

    |

  7. Find the extreme points of the function y= x+1/x.

    Text Solution

    |

  8. What is the differential equation whose solution is y = c (sin x + cos...

    Text Solution

    |

  9. For what value of lambda, the vectors lambda hat(i) + 3hat(j) + lambda...

    Text Solution

    |

  10. Let A and B be sets. Show that f : A xx B rarr B xx A such that f (...

    Text Solution

    |

  11. Maximise Z=50x(1)+60x(2) Subject to 2x(1)+3x(2)le6,x(1),x(2)ge0.

    Text Solution

    |

  12. Let ~ be defined by (m,n)~(p,q) if mq=np where m, n, p,qinZ-{0}. Show ...

    Text Solution

    |

  13. If A=[[2,1],[-1,3]], B=[[2,3],[1,1]] "and" C=[[1,0,2],[-2,3,0]],verify...

    Text Solution

    |

  14. Prove that all the diagonal elements of a skew symmetric matrix are ze...

    Text Solution

    |

  15. If x,y,z are positive and are the pth, qth and rth terms of a G.P. the...

    Text Solution

    |

  16. Answer the following: What is the value of [[o,-h,-g],[h,o,-f],[g,f,...

    Text Solution

    |

  17. Show that no two normals to a parabola are parallel.

    Text Solution

    |

  18. Find the intervals where the following functions are (a) increasing an...

    Text Solution

    |

  19. Find int (cos x /sin^(2) x + sin x ) dx

    Text Solution

    |

  20. Evaluate : int(0) ^(pi/4) dx/cos x (cos x + sin x).

    Text Solution

    |