诱导公式求三角函数值tan(331π/3)

问题描述:

诱导公式求三角函数值tan(331π/3)
tan(331π/3)
tan(6131π/6)
sin101π

检举 1 = tan(110π+π/3)=tanπ/3
2=tan(1020π+π/6)=tanπ/6
3=sin(50*2π+π)=sinπ