题目:设向量α与β的点积为2,且|α| = 2, |β| = 1,则α与β的夹角θ满足?
2024-11-13
题目:设向量α与β的点积为2,且|α| = 2, |β| = 1,则α与β的夹角θ满足?
A. cosθ = 1 B. cosθ = 1/2 C. cosθ = √2 D. cosθ = -1
正确答案:B
试题解析:暂无
题目:设向量α与β的点积为2,且|α| = 2, |β| = 1,则α与β的夹角θ满足?
A. cosθ = 1 B. cosθ = 1/2 C. cosθ = √2 D. cosθ = -1
正确答案:B
试题解析:暂无