Math Problem Statement
Dua buah vektor masing-masing a = 8 satuan dengan arah ke utara dan 10 satuan dengan arah ke barat membentuk sudut 60o terhadap arah utara.
a. Hitung a.b
b. Hitung a x b
Solution
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Math Problem Analysis
Mathematical Concepts
Vector Algebra
Dot Product
Cross Product
Trigonometry
Formulas
Dot product: a ⋅ b = |a| |b| cos(θ)
Cross product: |a × b| = |a| |b| sin(θ)
Theorems
Right-hand rule for cross product
Properties of dot product and cross product
Suitable Grade Level
Undergraduate (Engineering/Physics)
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