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HeavenGirl
@HeavenGirl
July 2022
1
14
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Определите знак выражения:
1) sin300°/tg500°=
2) cos7п/3*ctg9п/5=
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ник3709
Sin300°<0; tg500°=tg(360°+140°)<0;
sin300°/tg500° >0;
cos7п/3*ctg9п/5<0;
cos7п/3=cos(2п+п/3)>0;
ctg9п/5<0;
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Answers & Comments
sin300°/tg500° >0;
cos7п/3*ctg9п/5<0;
cos7п/3=cos(2п+п/3)>0;
ctg9п/5<0;