In a unit circle, where t is a real number, why is that the following is true:(adsbygoogle = window.adsbygoogle || []).push({});

sin (t+2pi)=sin t

I really don't understand this, if I put any value into t and check on my calculator, sint and sin(t+2pi) give different answer, why is this?

Thanks for any help

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# Homework Help: Unit circle and trig

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