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sergeyromanovich
@sergeyromanovich
August 2022
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Даю 50 баллов!
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А) arcsin 1-arcsin 1/2+arcsin(-√3/2)
Б) arcsin(cos П/3)
В)arccos 1- arccos(- 1/2)+arccos √3/2
Г) tg( arccos(-√2/2))
Д) arctg √3 +arctg 1+ arcctg (- √3)
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янкарпо
!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1
3 votes
Thanks 2
gulyanagieva
А)arcsin 1 - arcsin 1/2 + arcsin(-√3/2)=П/2-П/6-П/3=(3П-П-2П)/3=0
Б)arcsin (cos Пи/3)=arsin (1/2)= П/6
В)arccos1 -arccos (-1/2) + arccos √3/2=0-П+П/3+П/6=-П/2
Г
tg(arccos (-корень из 2/2)=tg(-П/4)=-1
1 votes
Thanks 1
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Answers & Comments
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1
Б)arcsin (cos Пи/3)=arsin (1/2)= П/6
В)arccos1 -arccos (-1/2) + arccos √3/2=0-П+П/3+П/6=-П/2
Гtg(arccos (-корень из 2/2)=tg(-П/4)=-1