Math Problem Statement
Diketehui vektor a=( -2, p, 2√2) vektor b = [1, 1, √2] Jika vektor a dan vektor b membentuk sudut 60°, tentukan nilai kosinus vektor a dan vektor a + b !
Solution
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Math Problem Analysis
Mathematical Concepts
Vectors
Dot Product
Trigonometry
Formulas
Dot product formula
Cosine formula for angle between vectors
Theorems
Cosine rule for vectors
Suitable Grade Level
Undergraduate