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muratov20011
12.05.2023 12:21
Алгебра
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Известно, что f(x) = cos x/3 . найдите: а) f(-x) б) 3f(x) в) f(-3x) г) f(-x)-f(x)

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Ріo78
Ріo78
4,4(62 оценок)

а) f(-x)=сosx/3

б) 3f(x)=3cosx/3

в) f(-3x)=cosx

г) f(-x)-f(x)=0

Vikula2404
Vikula2404
4,6(42 оценок)
Iget up at 7: 00 and go to wash. after i go to the kitchen to put the kettle on and go to make the bed brush your hair then dress up and go to drink coffee. then wear clothes and driving to school. after school my mom takes home. i eat lunch and go to wydanie. after knitting i'm going home and doing homework. then i have dinner at 19: 00 after i rest and go to bed. so my day went

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