sin(2kπ＋α)＝sinα
cos(2kπ＋α)＝cosα
tan(kπ＋α)＝tanα
cot(kπ＋α)＝cotα
sin(π＋α)＝－sinα
cos(π＋α)＝－cosα
tan(π＋α)＝tanα
cot(π＋α)＝cotα
sin(－α)＝－sinα
cos(－α)＝cosα
tan(－α)＝－tanα
cot(－α)＝－cotα
sin(π－α)＝sinα
cos(π－α)＝－cosα
tan(π－α)＝－tanα
cot(π－α)＝－cotα
sin(2π－α)＝－sinα
cos(2π－α)＝cosα
tan(2π－α)＝－tanα
cot(2π－α)＝－cotα
sin(π/2＋α)＝cosα
cos(π/2＋α)＝－sinα
tan(π/2＋α)＝－cotα
cot(π/2＋α)＝－tanα
sin(π/2－α)＝cosα
cos(π/2－α)＝sinα
tan(π/2－α)＝cotα
cot(π/2－α)＝tanα
sin(3π/2＋α)＝－cosα
cos(3π/2＋α)＝sinα
tan(3π/2＋α)＝－cotα
cot(3π/2＋α)＝－tanα
sin(3π/2－α)＝－cosα
cos(3π/2－α)＝－sinα
tan(3π/2－α)＝cotα
cot(3π/2－α)＝tanα sin(2kπ＋α)＝sinα
cos(2kπ＋α)＝cosα
tan(kπ＋α)＝tanα
cot(kπ＋α)＝cotα
sin(π＋α)＝－sinα
cos(π＋α)＝－cosα
tan(π＋α)＝tanα
cot(π＋α)＝cotα
sin(－α)＝－sinα
cos(－α)＝cosα
tan(－α)＝－tanα
cot(－α)＝－cotα
sin(π－α)＝sinα
cos(π－α)＝－cosα
tan(π－α)＝－tanα
cot(π－α)＝－cotα
sin(2π－α)＝－sinα
cos(2π－α)＝cosα
tan(2π－α)＝－tanα
cot(2π－α)＝－cotα
sin(π/2＋α)＝cosα
cos(π/2＋α)＝－sinα
tan(π/2＋α)＝－cotα
cot(π/2＋α)＝－tanα
sin(π/2－α)＝cosα
cos(π/2－α)＝sinα
tan(π/2－α)＝cotα
cot(π/2－α)＝tanα
sin(3π/2＋α)＝－cosα
cos(3π/2＋α)＝sinα
tan(3π/2＋α)＝－cotα
cot(3π/2＋α)＝－tanα
sin(3π/2－α)＝－cosα
cos(3π/2－α)＝－sinα
tan(3π/2－α)＝cotα
cot(3π/2－α)＝tanα