tan8/3π=?要过程
问题描述:
tan8/3π=?要过程
答
tan[(8/3)π]
=tan(2π+2π/3)
=tan(2π/3)
=-根号3
tan8/3π=?要过程
tan[(8/3)π]
=tan(2π+2π/3)
=tan(2π/3)
=-根号3