There are "Brainly Bots" giving links. Do not click them. You can tell if it says something about an answer with a link to a lin
k shortener. It would say bitly, cutly, and others. The most common is bitly, so look out for that. Mathematics because they mostly answer on math questions.
Thanks for letting me know! I have been encountering those bots lately when I am looking for an answer to my question. We need more people like you in the community so thanks for letting others know! We appreciate it!!!
You should have this memorized along with other values such as sin(0) = 0 cos(0) = 1 sin(pi/2) = 1 cos(pi/2) = 0 sin(pi) = 0 cos(pi) = -1 sin(3pi/2) = -1 cos(3pi/2) = 0