诱导公式求三角函数值tan(331π/3)

Question

tan(331π/3)
tan(6131π/6)
sin101π

Answer 1

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

Answer 2

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

Answer 3

1=根号3
2=（根号3）/3
3=0

Answer 4

3^1/2