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Math Help - tangent questions

  1. #1
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    tangent questions

    Finals are coming up and I need some help with some problems. Thank you!!

    1. Find the equation of the ine tangent to arcsin(2x) at the origin.

    2. Find the equation of the line that best approximates cos(2x) at x= \pi/2



    Thanks!
    Last edited by CaptainBlack; May 22nd 2011 at 12:17 PM. Reason: deleted excess questions
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  2. #2
    MHF Contributor
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    particularly if you're going to post 8 questions, you should show your attempted solution.
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