I look for trig identitiy to simplify this expression:(adsbygoogle = window.adsbygoogle || []).push({});

[tex] \frac{\sin(nx/2)}{\sin(x/2)} [/tex]

is there one specficic to use, or is there other ones that will help to simplifiy? I have been trying but can't make it simplier!

Thanks!!!!

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# Homework Help: Trig identity exist?

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