设向量a与向量b的乘积为3,,则向量a与b的夹角为:https://image....b05417e79ea22ea8.png
举一反三
- 设向量a与向量b的乘积为3,[img=128x48]17da6b929fbc534.png[/img],则向量a与b的夹角为: A: π/6 B: π/4 C: π/2 D: π/3
- 设向量a与向量b的乘积为3,[img=128x48]178693ddbb25d4a.png[/img],则向量a与b的夹角为: A: π/2 B: π/3 C: π/4 D: π/6
- 设向量,则向量与向量的夹角为00a0(00a000a000a000a000a0).https://image.zhihuishu.com/zhs/doctrans/docx2html/202002/4169a74836a04245a3e472e347b686fb.png
- 设向量a与向量b的乘积为3
- 设向量,则向量与向量的夹角为 ( ).[img=213x32]17a411a1c2faec3.png[/img]