Предмет: Математика, автор: mawa291100

вычислите os 116° cos 4° - sin 116° sin 4°

Ответы

Автор ответа: Шизоидный
0
cos116cos4-sin116sin4=cos(116+4)=cos120
cos120 примерно равен 0.81418
Автор ответа: Шизоидный
0
или
Автор ответа: Шизоидный
0
cos120=sin60=корень из 3 на 2
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