# Cuboids

Two separate cuboids with different orientation in space. Determine the angle between them, knowing the direction cosine matrix for each separate cuboid. u1=(0.62955056, 0.094432584, 0.77119944) u2=(0.14484653, 0.9208101, 0.36211633)

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**Matikar**

use scalar products to determine angle between two 3D vectors (if direction cosines gives -> its unit vectors)

#### To solve this verbal math problem are needed these knowledge from mathematics:

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