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October 22, 2014

October 22, 2014

Posted by **jonh** on Friday, February 22, 2013 at 1:19am.

F'=

- Math -
**Lena**, Friday, February 22, 2013 at 2:05amDid you type this question properly? Should it be tan(something) :/ Did you mean tan^-1(x)?

- Math -
**jonh**, Friday, February 22, 2013 at 2:17amtan^-1(cos(2x))

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