诱导公式sin(3π/2+α)=?、cos(3π/2+α)=?、tan(3π/2+α)=?具体请看问题补充,1、sin(3π/2+α)=?2、cos(3π/2+α)=?3、tan(3π/2+α)=?4、sin(3π/2-α)=?5、cos(3π/2-α)=?6、tan(3π/2-α)=?7、什么叫 奇变偶不变,符号看象限?
问题描述:
诱导公式sin(3π/2+α)=?、cos(3π/2+α)=?、tan(3π/2+α)=?具体请看问题补充,
1、sin(3π/2+α)=?
2、cos(3π/2+α)=?
3、tan(3π/2+α)=?
4、sin(3π/2-α)=?
5、cos(3π/2-α)=?
6、tan(3π/2-α)=?
7、什么叫 奇变偶不变,符号看象限?
答