设向量都单位向量,且满足,则:46364a5a011c11ffdeb598f26...ac7d8cb4124f5cb6.png
举一反三
- 设向量都单位向量,且满足,则
- 设向量都单位向量,且满足,则:46364a5a011c11ffdeb598f2632fbf0a.png653adba49d80402b5c4b627147927915.png9b1f9c8d784d0100ac7d8cb4124f5cb6.png
- 设向量都单位向量,且满足,则:46364a5a011c11ffdeb598f2632fbf0a.png653adba49d80402b5c4b627147927915.png9b1f9c8d784d0100ac7d8cb4124f5cb6.png
- 设向量都单位向量,且满足,则:46364a5a011c11ffdeb598f2632fbf0a.png653adba49d80402b5c4b627147927915.png9b1f9c8d784d0100ac7d8cb4124f5cb6.png
- 设向量都单位向量,且满足,则:46364a5a011c11ffdeb598f2632fbf0a.png653adba49d80402b5c4b627147927915.png9b1f9c8d784d0100ac7d8cb4124f5cb6.png