问题
填空题
计算：cot44°•cot45°•cot46°=______．
答案
cot44°•cot45°•cot46°=cot44°•cot46°•cot45°=1•cot45°=1．
搜题请搜索小程序“爱下问搜题”
计算：cot44°•cot45°•cot46°=______．
cot44°•cot45°•cot46°=cot44°•cot46°•cot45°=1•cot45°=1．