Math Problem Statement

Si 𝑎 = (−2; √12) y 𝑏⃗ = (−3; √3), calcula el ángulo formado por los vectores 𝑎 y 𝑃𝑟𝑜𝑦𝑏⃗ ⊥𝑎 .

Solution

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Math Problem Analysis

Mathematical Concepts

Vector Algebra
Orthogonal Projection
Dot Product
Trigonometry

Formulas

Proyección ortogonal: Proy_{a}(b) = (b ⋅ a / a ⋅ a) a
Producto punto: b ⋅ a = b1 ⋅ a1 + b2 ⋅ a2
Ángulo entre vectores: cos(θ) = (a ⋅ p) / (|a||p|)

Theorems

Orthogonal Projection Theorem
Cosine of the Angle Between Two Vectors

Suitable Grade Level

Grades 10-12