kirstenlea
kirstenlea
25-04-2017
Mathematics
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Solve or exact value 1+2sinx=0
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XxLostAndBrokenxX
XxLostAndBrokenxX
25-04-2017
2sinx = -1
Divide both sides by 2.
sinx = -(1/2)
In the unit circle, we are given two answers for sinx = -(1/2).
x = 210 degrees AND 330 degrees
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lkjhpoiu7890
lkjhpoiu7890
25-04-2017
x=210 is the for these
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