Results 1 to 2 of 2

Math Help - Question about the tangent function

  1. #1
    Newbie
    Joined
    Mar 2011
    Posts
    1

    Question about the tangent function

    can someone solve and explain this questions

    first question

    Consider the function defined by F(x)= -4tan (2x + Pi) . what is the Domain of F? and
    the range


    seconed question

    If the graph of the function F(x) = 2 cot(bx + c) has period 2Pi/3 and Phase shift Pi/2 to the left

    then Find F(Pi) ?
    Follow Math Help Forum on Facebook and Google+

  2. #2
    MHF Contributor FernandoRevilla's Avatar
    Joined
    Nov 2010
    From
    Madrid, Spain
    Posts
    2,162
    Thanks
    45
    Quote Originally Posted by yazzen View Post
    first question

    Consider the function defined by F(x)= -4tan (2x + Pi) . what is the Domain of F? and the range

    Hint :

    The range of f(x)=\tan x is \mathbb{R} .

    On the other hand

    x\not\in D(f)\Leftrightarrow x=(\pi/2)+k\pi \quad (k\in\mathbb{Z}) .
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Replies: 1
    Last Post: September 27th 2011, 01:17 PM
  2. Replies: 6
    Last Post: October 5th 2009, 02:33 AM
  3. tangent to the function #3
    Posted in the Pre-Calculus Forum
    Replies: 3
    Last Post: August 7th 2009, 01:56 PM
  4. Tangent Function
    Posted in the Pre-Calculus Forum
    Replies: 3
    Last Post: April 23rd 2007, 05:41 AM
  5. Help with tangent function
    Posted in the Trigonometry Forum
    Replies: 1
    Last Post: June 29th 2005, 03:18 AM

Search Tags


/mathhelpforum @mathhelpforum