1/根号2-3tan²30°+π°+2根号(sin45°-1)² .

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/08 00:17:14
1/根号2-3tan²30°+π°+2根号(sin45°-1)².1/根号2-3tan²30°+π°+2根号(sin45°-1)².1/根号2-3tan

1/根号2-3tan²30°+π°+2根号(sin45°-1)² .
1/根号2-3tan²30°+π°+2根号(sin45°-1)²
.

1/根号2-3tan²30°+π°+2根号(sin45°-1)² .
1/根号2-3tan²30°+π°+2根号(sin45°-1)²
=√2/2-3*1/3+1+2*(1-√2/2)
=2-√2/2