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тригонометрия
romanbakeshin
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тригонометрия
sin(-a)
-sin(a)
cos(-a)
cos(a)
tg(-a)
-tg(a)
ctg(-a)
-ctg(a)
y=sin(x) y=cos(x)
период 2пи
y=tg(x) y=ctg(x)
период пи
sin(90-a)
+cos(a)
sin(90+a)
+cos(a)
cos(90-a)
+sin(a)
cos(90+a)
--sin(a)
sin(180-a)
+sin(a)
sin(180+a)
--sin(a)
tg(90-a)
+ctg(a)
tg(90+a)
--ctg(a)
tg(180-a)
--tg(a)
tg(180+a)
+tg(a)
sin(270-a)
--cos(a)
sin(270+a)
--cos(a)
cos(270-a)
--sin(a)
cos(270+a)
+sin(a)
tg(270-a)
+ctg(a)
tg(270+a)
--ctg(a)
ctg(90-a)
+ctg(a)
ctg(90+a)
--tg(a)
ctg(180-a)
--ctg(a)
ctg(180+a)
+ctg(a)
ctg(270-a)
+tg(a)
ctg(270+a)
--tg(a)
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