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alexvinni2011
@alexvinni2011
July 2022
1
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помогите,упростить выражение
1) cos(pi-альфа)+ctg(pi+альфа)-sin(3pi/2+альфа)+tg(pi/2+альфа)
2)сos(3pi/2+альфа)сos(альфа-5pi/2)+sin(альфа-3pi)cos(альфа+7pi)
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faine
Решил с помощью формул приведения.
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