Results 1 to 4 of 4

Math Help - urgent homework help!!!(calculus)

  1. #1
    Newbie
    Joined
    Dec 2008
    Posts
    6

    urgent homework help!!!(calculus)

    if u is a function such that u = f(x), state the formulas requested below.
    a. what does d/dx[sinh u] equal
    b. what does d/dx[cosh u] equal
    c. what does d/dx[tanh u] equal
    d. find the derivative of the function y = sech(4x +2) using substitution.

    Follow Math Help Forum on Facebook and Google+

  2. #2
    Member
    Joined
    Dec 2008
    Posts
    111
    Dear GabrielKiefer,

    the chain rule tell you F(g(x))' at x0 is F'(g(x0)) * g'(x0), so
    a) [sinh(f(x))]' = cosh(f(x))*f'(x)
    Follow Math Help Forum on Facebook and Google+

  3. #3
    Newbie
    Joined
    Dec 2008
    Posts
    6
    thank you
    do you happen to know the others or are they the same principles as the first one?
    Follow Math Help Forum on Facebook and Google+

  4. #4
    Member
    Joined
    Dec 2008
    Posts
    111
    Yes ofcourse, you can do the others trully similar way.
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Summer AP Calculus Homework [Urgent]
    Posted in the Calculus Forum
    Replies: 2
    Last Post: August 7th 2010, 09:01 PM
  2. urgent homework
    Posted in the Trigonometry Forum
    Replies: 3
    Last Post: March 10th 2009, 09:34 PM
  3. HELP pre cal homework PLease Please its urgent
    Posted in the Pre-Calculus Forum
    Replies: 2
    Last Post: November 6th 2008, 05:45 PM
  4. Homework for calculus thats hard URGENT
    Posted in the Calculus Forum
    Replies: 4
    Last Post: March 2nd 2008, 11:40 PM
  5. please urgent help with homework
    Posted in the Trigonometry Forum
    Replies: 3
    Last Post: November 9th 2007, 11:24 AM

Search Tags


/mathhelpforum @mathhelpforum