Am i doing this right? y' = -sinkt y'' = -coskt ?? thanks.
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Originally Posted by johntuan Am i doing this right? y' = -sinkt y'' = -coskt ?? thanks. Close...you forgot to apply the chain rule!! Do these again, and then check the spoiler to see if you're right. Spoiler:
ahhh...I can't believe I forgot to do such a function.. Thanks for the reply!
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