tan41π/6的三角函数值和sin(-π/3)三角函数值

问题描述:

tan41π/6的三角函数值和sin(-π/3)三角函数值

tan(41π/6)=tan(41π/6-6π)=tan(5π/6)= -tan(π/6)= -√3/3
sin(-π/3)= -sin(π/3)= -√3/2