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KateOlympian
@KateOlympian
July 2022
1
17
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1-4sin^2(5x-П/3)=0
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mmb1
Verified answer
1-4sin^2(5x-П/3)=0
sin
²
(5x-
π/3)=1/4
sin(5x-π/3)=1/2
5x-π/3=(-1)^n π/6+πN
x=(-1)^n π/30+π/15+π/5*N
sin(5x-π/3)=-1/2
5x-π/3=(-1)^n 5π/6+πN
x=(-1)^n π/6+π/15+π/5*N
9 votes
Thanks 17
KateOlympian
а откуда п/15 в 5 строчке?
KateOlympian
объясните пож-а 5 строчку полностью
mmb1
5x-π/3=(-1)^n π/6+πN 'это четвертая Сначала переносим в првую пи на три и делим на 5 и получаем x=(-1)^n π/30+π/15+π/5*N
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Answers & Comments
Verified answer
1-4sin^2(5x-П/3)=0sin²(5x-π/3)=1/4
sin(5x-π/3)=1/2
5x-π/3=(-1)^n π/6+πN
x=(-1)^n π/30+π/15+π/5*N
sin(5x-π/3)=-1/2
5x-π/3=(-1)^n 5π/6+πN
x=(-1)^n π/6+π/15+π/5*N