Ответ:
Объяснение:
!!!!!!!!!!!!!!!!!!!!!!!
7, *,*,*,*,*,*,35
а1, ..........,а8
а8=а1+7d
7+7d=35
7d=28
d=4
7, 11, 15, 19, 23, 27, 31, 35
-√2sinx+4√2cosx
-√2*√2/2+4√2*√2/2=4-1=3