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Please see the picture for my code


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  • 4
    $\begingroup$ You need to use square brackets for arguments of functions: Sin[2 Pi], not Sin(2 Pi) and Exp[] as well. Note also that the red parentheses indicate that they are mis-matched (e.g. not closed). Please post code as text, not as an image. Also checking whether p1, p2, p3, p4 show anything on their own is a good troubleshooting technique. $\endgroup$ – MarcoB Feb 19 at 15:32

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