- Cos^-1(cos(5pi/6))?

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cos(2x+pi/6)+1=0. ... 2x=5pi/6+2(pi)n. x=5pi/12+(pi)n ...

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Would civilization in the North be destroyed if Stalinstrov Petrov never existed? The parabolic cylinder y = x^2 and the top half of the ellipsoid x^2 + 7y^2 + 7z^2 = 49. Then find parametric equations for this curve? At what angle should you kick a football for it to go the maximum distance? Calculate the number of atoms in 41.6 amu of lithium.? How does the wind work?

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