Предмет: Математика, автор: Alex364

Приведите пример трёх углов тангенс которых равен -1

Ответы

Автор ответа: sukonnikoffma

tg x =-1
x=-pi/4+pik
k=-1 x=-pi/4=135°
k=0 x=-pi/4+pi=315°
k=1 x=-p/4+2pi =135+360=495°

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