√3 - √6 * cos x = 0
√6 * cos x = √3
cos x = √3 / √6
cos x = √(3/6)
cos x = √(1/2)
cos x = 1 / √2
x = ± arccos 1/√2 + 2pi n, n e Z
x= ± pi/4 + 2pi n, n e Z
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√3 - √6 * cos x = 0
√6 * cos x = √3
cos x = √3 / √6
cos x = √(3/6)
cos x = √(1/2)
cos x = 1 / √2
x = ± arccos 1/√2 + 2pi n, n e Z
x= ± pi/4 + 2pi n, n e Z