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bogoslowskaia
bogoslowskaia
24.03.2021 01:50 •  Алгебра

23.5. 1) sin(90°- a) + cos(180° + a) + ctg(270° - a) + tg(360° - a); 2) cos (90° + a) - sin(180° + a) + ctg(270° + a) + tg(360° + a);
(3n
3) cos
sin(nt + a) + ctg ( 증 + tg(21 + a);
2.
30
cos(it + a) + tg + a + ctg(2n + a).
TT
+ c
2
3T
4) sin
a
2
2​

👇
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Ответ:
ilyailushin
ilyailushin
24.03.2021

at our lessons we answer the teacher's questions.

in england they don't go to school every day.

i do my homework in my bedroom.

the pupils on duty tidy the classroom.

all the pupils have to wear uniforms.

i come to school at a quarter to eight.

we like to make reports.

 

i do me homework every day.

i have my music lessons two times a week.

we have english three times a week.

this magazine is published to times a month.

i visit my aunt three times a month.

i never miss classes.

i go to the forest very often.

they seldom go to the theatre.

4,4(40 оценок)
Ответ:
chiminswife
chiminswife
24.03.2021

 

i don't want to answer the teacher's questions.

my friends and i  go to school every day.

i do my homework at school.

every friday the students tidy their classrooms.

we don't have to wear a uniform  at our school.

as a rule they  come to school at 8 a.m.

my sister like to make reports on geography.

 

we must do washing up every day.

i have to play chess two times a week.

we go to a swimming pool three times a week.

my mother goes to the dentist two times a month.

i go to the disco three times a month.

i have never been to volgograd.

she goes to the cinema very often.

they seldom sing and dance.

4,5(33 оценок)
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