3 ms·That's why I wrote "as long as they're unit vectors" in my definition.by dorkwood 5y agoThat's why I wrote "as long as they're unit vectors" in my definition.wizzwizz4 5y agoI swear I double-checked the paragraph before replying… Sorry for the “correction”.dorkwood 5y agoNo worries! I probably shouldn't have put it in parentheses at the end...