joshcharo4
joshcharo4
30-06-2017
Mathematics
contestada
sin2xcosx + cos2xsinx=-1/2
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RickyChen
RickyChen
30-06-2017
If you know the rule,
The left side is equal to sin(3x), which is equal to -1/2
So x = (12pi*n-pi) / 18, where n is any integer.
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