cos(2tan^-1(-9/40)]

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Solution for cos(2tan^-1(-9/40)] equation: 


(2.171)^(0.102)

1*x^2+0*x^3+0*x-4 = 0

500;35

x+y-0.06;q+z-0.0189;x+0.5*y+0.5*z-0.0545;(y*z)/(q*x)-1.73

(-17*i)/3 = 0

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