Find the value of n such that(adsbygoogle = window.adsbygoogle || []).push({});

(sin x)^n-(cos x)^n =1 for all x

I really have no idea how to go about it,or even whether such a number exists.Anybody willing to help?

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# Homework Help: (sin x)^n-(cos x)^n =1 for all x

**Physics Forums | Science Articles, Homework Help, Discussion**