cos^2x-7/4*cosx-1/2=0 - solution

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Solution for cos^2x-7/4*cosx-1/2=0 equation:

Oblicz to!

(2/3)*t-((1/6)*t) = t-(5/2)

3.2*x^4-(23.2*x^2)+0*x^3+0*x-32 = 0

8;7;36;7

x-9 = (3/5)*x

2008*x

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