cosπ/3-tanπ/4+cosπ-sin3π/2 化简计算
问题描述:
cosπ/3-tanπ/4+cosπ-sin3π/2 化简计算
答
=1/2-1-1-(-1)
=-1/2
cosπ/3-tanπ/4+cosπ-sin3π/2 化简计算
=1/2-1-1-(-1)
=-1/2