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OpenStudy (anonymous):
Pre-Calc? f(g(pi/4)=? cos(2x)=g(x) sin(x)=f(x)
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OpenStudy (anonymous):
Ok, so I guess i'll say where I am stuck. I know that it is cos2(pi/4), and I think that it equals cos(pi/2), which is 0. So then the sin of zero is 0???
OpenStudy (psymon):
Pretty much, lol.
OpenStudy (anonymous):
I was stuck, and then when I started to type, it came to me... *sigh* Sometimes it is just good to type things out and then read it...
OpenStudy (psymon):
Or type things out and have people show you how your brain was cramping xD Its nice to have this forum for sure. Good luck!
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