How do I change cosx - isinx into cosx + isin x
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How do I change cosx - isinx into cosx + isin x

[From: ] [author: ] [Date: 11-10-24] [Hit: ]
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Basically as question states, how to change something thats not cisx into cisx? Thanks!

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Pull the negative inside -i∙sin(x) → i∙sin(-x).
Note that cos(x) is an even function, so cos(x) = cos(-x).
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keywords: isinx,change,How,cosx,do,into,isin,How do I change cosx - isinx into cosx + isin x
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