how to derive the cross product formula: |u x v| = |u| x |v| sin (angle)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.5: Product-to-sum And Sum-to-product Formulas
Problem 9E
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  • how to derive the cross product formula: |u x v| = |u| x |v| sin (angle)
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