tan45°+5cot30°-6tan60°-2cos60°

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/12 07:32:54
tan45°+5cot30°-6tan60°-2cos60°

tan45°+5cot30°-6tan60°-2cos60°
tan45°+5cot30°-6tan60°-2cos60°

tan45°+5cot30°-6tan60°-2cos60°
tan45°+5cot30°-6tan60°-2cos60°
=1+5×√3-6×√3-2×1/2
=-√3