cot45°/（tan45°-sin60°）=?
来源：学生作业帮助网 编辑：六六作业网 时间：2025/02/06 12:54:55
cot45°/（tan45°-sin60°）=?cot45°/（tan45°-sin60°）=?cot45°/（tan45°-sin60°）=?cot45°/（tan45°-sin60°）=1/(1-
cot45°/（tan45°-sin60°）=?
cot45°/（tan45°-sin60°）=?
cot45°/（tan45°-sin60°）=?
cot45°/（tan45°-sin60°）
=1/(1-根号3/2)
=2/(2-根号3)
=2(2+根号3)
1/[1-(3^0.5)/2]=4*[1+(3^0.5)/2]
直接代入1/([1- 3^(1/2)/2]