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QR Challenge: Формулы приведения

QuestionAnswer
Sin(п+a)=-Sin(a)
Sin(п-a)=Sin(a)
Sin(п/2+a)=Cos(a)
Sin(п/2-a)=Cos(a)
Sin(3п/2+a)=-Cos(a)
Sin(3п/2-a)=-Cos(a)
Sin(2п+a)=Sin(a)
Sin(2п-a)=-Sin(a)
Cos(п+a)=-Cos(a)
Cos(п-a)=-Cos(a)
Cos(п/2+a)=-Sin(a)
Cos(п/2-a)=Sin(a)
Cos(3п/2+a)=Sin(a)
Cos(3п/2-a)=-Sin(a)
Cos(2п+a)=Cos(a)
Cos(2п-a)=Cos(a)
Tg(п+a)=Tg(a)
Tg(п-a)=-Tg(a)
Tg(п/2+a)=-Ctg(a)
Tg(п/2-a)=Ctg(a)
Tg(3п/2+a)=-Ctg(a)
Tg(3п/2-a)=Ctg(a)
Tg(2п+a)=Tg(a)
Tg(2п-a)=-Tg(a)
Ctg(п+a)=Ctg(a)
Ctg(п-a)=-Ctg(a)
Ctg(п/2+a)=-Tg(a)
Ctg(п/2-a)=Tg(a)
Ctg(3п/2+a)=-Tg(a)
Ctg(3п/2-a)=Tg(a)
Ctg(2п+a)=Ctg(a)
Ctg(2п-a)=-Ctg(a)

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