作业帮已知0＜a＜π,化简(1+sina+cosa)·[sin(a/2)-cos(a/2)] / sqrt(2+2cosa)
来源：学生作业帮助网 编辑：作业帮 时间：2024/04/30 13:59:37
![已知0＜a＜π,化简(1+sina+cosa)·[sin(a/2)-cos(a/2)] / sqrt(2+2cosa)](/uploads/image/z/666005-5-5.jpg?t=%E5%B7%B2%E7%9F%A50%EF%BC%9Ca%EF%BC%9C%CF%80%2C%E5%8C%96%E7%AE%80%281%2Bsina%2Bcosa%29%C2%B7%5Bsin%28a%2F2%29-cos%28a%2F2%29%5D+%2F+sqrt%282%2B2cosa%29)
已知0＜a＜π,化简(1+sina+cosa)·[sin(a/2)-cos(a/2)] / sqrt(2+2cosa)
已知0＜a＜π,化简(1+sina+cosa)·[sin(a/2)-cos(a/2)] / sqrt(2+2cosa)
已知0＜a＜π,化简(1+sina+cosa)·[sin(a/2)-cos(a/2)] / sqrt(2+2cosa)
[(1+sina+cosa)(sin(a/2)-cos(a/2))]/√(2-2cosa) (0