If α, β, γ are the angles that a line makes with the positive direction of x, y, z axis, respectively, then the direction cosines of the line are ______.

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If $\alpha$, $\beta$, γ are the angles that a line makes with the positive direction of x, y, z axis, respectively, then the direction cosines of the line are cos $\alpha$, cos $\beta$, cos γ.

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