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milkshake01
@milkshake01
July 2022
1
7
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Сверните по формуле (cos2xcos(п/3-х)-sin2xsin(п/3-х))
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KrisHope
Cos(2x+П/3-x)=cos(x+П/3)
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Thanks 1
KrisHope
есть формула cos(a-b)=CosaCosb+SinaSinb. Не парься там все правильно
milkshake01
ок,спасибо
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