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EasyVectors in geometry
OpenStax, Algebra and Trigonometry 2e §10.8 Vectors · Example 15 · Geometry · Vectors in geometry

Finding the Dot Product of Two Vectors and the Angle between Them

Find the dot product of v_1 = 5i + 2j and v_2 = 3i + 7j. Then, find the angle between the two vectors.

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OpenStax, Algebra and Trigonometry 2e · §10.8 Vectors · Example 15

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