*Vector's directional cosines* are called the cosines of the angles between given vector and the axes of coordinates:

From the elementary geometrical considerations follows:

, where and

Besides, from the formulas above follows the relation:

cos ^{2} α +
cos ^{2} β +
cos ^{2} γ = 1

Our online calculator is able to calculate vector's directional cosines with free step by step solution.

Vector's directional cosines calculator

by:

= { }

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