I don't really see a way to simplify this any further..
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Originally Posted by pererashenaya7 I don't really see a way to simplify this any further.. That said $4\cdot 7.5^o=30^o$ $\tan(4x)=?$ Look at this. Sorry about the size. But you can use the expansion.
Last edited by topsquark; Mar 28th 2017 at 06:38 AM. Reason: But the problem specifies degrees!