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FinnZ [79.3K]
3 years ago
8

Simplify the following, where k represents any integer: cos(2kpi-x)(-sin(2kpi-x))

Mathematics
1 answer:
Citrus2011 [14]3 years ago
5 0
= cos( -x ) * [ - sin( - x ) ] = cosx * sinx ;
cosx * sin x is the right answer !
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