cos(^π/6)怎么转化三角函数!

问题描述:

cos(^π/6)怎么转化三角函数!

cos^(π/6)=(1/2)^=1/4.谢谢了!概念有些不懂!cos^(π/6)=[cos(π/6)]^2=(1/2)^2=1/4.