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=

Thanks!

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- May 22nd 2011, 11:01 AMHarryhit4tangent 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=

Thanks! - May 22nd 2011, 11:12 AMSpringFan25
particularly if you're going to post 8 questions, you should show your attempted solution.