Высокие технологии

Вычислите arctg -1/√3

Вычислите arctg -1/√3

  • 1) arctg 3 =/3 arctg1 = /4 arcctg (-3) =- arcctg 3 = -/6 = 5 /6 получается arctg 3 — arctg1 + arcctg (-3) =/3- /4+ 5/6= (4-3+10)/12 = 11/122)arcctg 3/3= /6 tg (arcctg 3/3)=tg ( /6)= 1/ 33) arcctg (sin /2)=arcctg 1 =/4

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