SOLUTION: (1+sinx)[1+sin(-x)]=1

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Question 708989: (1+sinx)[1+sin(-x)]=1
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
(1+sinx)[1+sin(-x)]=1
sin(-x)=-sin(x)
(1+sinx)[1-sin(x)]=1
1-sin^2(x)=1
sin^2x=0
x=0