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Find the direction cosines of the sides of the triangle whose vertices are (3, 5, – 4), (1, 1, 2) and (- 5, – 5, - 2). |
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Answer» Direction cousine of `vec(BC)(-2)/(sqrt(17)),(-3)/(sqrt(17)),(-2)/(sqrt(17))` Direction cousine of `vec(CA)(4)/(sqrt(42)),(5)/(sqrt(42)),(-1)/(sqrt(42))` |
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