cos^2(x)=1/9

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Solution for cos^2(x)=1/9 equation: 


y+2/3-(1/8);x+y-2

4*y-(3*x)+11;x-((1/4)*y)+1

x-((1/4)*y)+1;4*y-(3*x)+11

3/16 = d-(5/16)

-1*x-(3/5) = 13/5

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