Тригонометрические формулы
Revision 6.2 (21 August 2003)
– α | 90° – α | 90° + α | 180° – α | 180° + α | 270° – α | 270° + α | 360° – α | 360° + α | |
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sin | -sin α | cos α | cos α | sin α | –sin α | –cos α | –cos α | -sin α | sin α |
cos | cos α | sin α | –sin α | –cos α | –cos α | –sin α | sin α | cos α | cos α |
tg | -tg α | ctg α | –ctg α | –tg α | tg α | ctg α | –ctg α | –tg α | tg α |
ctg | -ctg α | tg α | –tg α | –ctg α | ctg α | tg α | -tg α | -ctg α | ctg α |
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