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Trig (1 Viewer)

turnerloos

TAFE Executive Officer
Joined
Oct 28, 2013
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599
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TAFE Bankstown
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HSC
2015
Hey, how would i convert this:
cos((a-b)/2)sec(b) - sin((a+b)/2)tan(b)
into:
cos((a+b)/2)

Thanks :)
 

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