Определите знак числа:
1. Sin160 гр
2. cos200 гр
3.tg 310 гр
4.ctg (-400) гр
5.sin(-7Пи/11)гр
6.cos 31пи/5
1. Sin160 гр
2. cos200 гр
3.tg 310 гр
4.ctg (-400) гр
5.sin(-7Пи/11)гр
6.cos 31пи/5
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