0 және не знаю как гOTBET:
the afternoon, learn work
in lunchtime, I eat pizza and drink juice
in night, I watch TV or play mobile games
in weekend, I go to picnicin
Write the correct preposition, then complete the
sentences for you.
Write the correct preposition, then complete the
sentences for you.
Write the correct preposition, then complete the
sentences for you.
OTBET:
the afternoon, learn work
in lunchtime, I eat pizza and drink juice
in night, I watch TV or play mobile games
in weekend, I go to picnicin
OTBET:
the afternoon, learn work
in lunchtime, I eat pizza and drink juice
in night, I watch TV or play mobile games
in weekend, I go to picnicin
OTBET:
the afternoon, learn work
in lunchtime, I eat pizza and drink juice
in night, I watch TV or play mobile games
in weekend, I go to picnicin
OTBET:
the afternoon, learn work
in lunchtime, I eat pizza and drink juice
in night, I watch TV or play mobile games
in weekend, I go to picnicin
OTBET:
the afternoon, learn work
in lunchtime, I eat pizza and drink juice
in night, I watch TV or play mobile games
in weekend, I go to picnicin
OTBET:
the afternoon, learn work
in lunchtime, I eat pizza and drink juice
in night, I watch TV or play mobile games
in weekend, I go to picnicin
OTBET:
the afternoon, learn work
in lunchtime, I eat pizza and drink juice
in night, I watch TV or play mobile games
in weekend, I go to picnicin
OTBET:
the afternoon, learn work
in lunchtime, I eat pizza and drink juice
in night, I watch TV or play mobile games
in weekend, I go to picnicin
OTBET:
the afternoon, learn work
in lunchtime, I eat pizza and drink juice
in night, I watch TV or play mobile games
in weekend, I go to picnicin
OTBET:
the afternoon, learn work
in lunchtime, I eat pizza and drink juice
in night, I watch TV or play mobile games
in weekend, I go to picnicin
OTBET:
the afternoon, learn work
in lunchtime, I eat pizza and drink juice
in night, I watch TV or play mobile games
in weekend, I go to picnicin
Write the correct preposition, then complete the
sentences for you.
Write the correct preposition, then complete the
sentences for you.
Write the correct preposition, then complete the
sentences for you.
Write the correct preposition, then complete the
sentences for you.
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0 жосдр
(6cos^2x-5*√2*cosx+2)/lgtgx=0
Дробь равна нулю,если числитель равен 0
6cos^2x-5*√2*cosx+2=0
D=50-48=2
cosx=(5√2+√2)/12 = 1/√2
cosx=(5√2-√2)/12 = √2/3
А теперь надо оценить,какой изкорней не подходит. для этого оценим знаменатель. он не должнен быть равен 0
lgtgx не равен нулю, если tgx не равен 1
cosx=1/√2 - при этом tgx равен 1, а этого не может быть,значит этот корень не подходит. ПОэтомуостается один ответ:
cosx= √2/3 -> x=плюс минус arccos √2/3 +2pi*k
ответ: x=плюс минус arccos √2/3 +2pi*k