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Math Help - make a rational expression out of: sec x tan x....

  1. #1
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    make a rational expression out of: sec x tan x....

    Make on one rational expression out of:

    Sec x Tan x -root2 sec^2x

    I'm having a little trouble getting started on this on. Sorry if I wrote it out in a funny way.
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  2. #2
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    Re: make a rational expression out of: sec x tan x....

    Quote Originally Posted by StudentMCCS View Post
    Make on one rational expression out of:

    Sec x Tan x -root2 sec^2x

    I'm having a little trouble getting started on this on. Sorry if I wrote it out in a funny way.
    I don't know what you mean by wanting a rational expression... It will never be rational since \displaystyle \sqrt{2} is irrational...
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  3. #3
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    Re: make a rational expression out of: sec x tan x....

    The problem is number 4 of the attached problem sheet. This is my first assignment for calculous 1.
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    Re: make a rational expression out of: sec x tan x....

    It probably means to write it as a fraction (i.e. a rational function) in terms of \displaystyle \sin{x} and \displaystyle \cos{x}...
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  5. #5
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    Re: make a rational expression out of: sec x tan x....

    Write cos(x) and tan(x) in terms of sin(x) & cos(x). Write the result as a single fraction.
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