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平面向量是高中数学的基本知识之一,而平面向量的数量积及平面向量的应用,则是其重点内容,下面我们重点讲解这部分知识,力求在该处有所突破,从而轻松拿下平面向量的数量积及平面向量的应用的有关问题.重点难点1.向量的夹角:已知两个非零向量a与b,作(?)=a,(?)=b,则∠AOB=θ(0°≤θ≤180°)叫做a与b的夹角,记作〈a,b〉.
Plane vector is one of the basic knowledge of high school mathematics, and the number of plane vectors and plane vector application, is its key content, here we focus on explaining this part of knowledge, and strive to make a breakthrough here, which easily won the plane The number of product vector and the application of plane vector related issues.Highlights Difficulties 1. Angle between vectors: Given two non-zero vectors a and b, for (?) = A, (?) = B, then ∠AOB = θ (0 ° ≤ θ ≤ 180 °) is called the angle between a and b, denoted as .