Ответ:1) f(x)=1/3cos3x-x
f(o)=1/3×cos(3×0)-0
f(0)=1/3×1
f(0)=1/3
2)f(x)=3cos^2x+2sin^2x+3x
f(o)=3cos(o)^2
Объяснение:
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Ответ:1) f(x)=1/3cos3x-x
f(o)=1/3×cos(3×0)-0
f(0)=1/3×1
f(0)=1/3
2)f(x)=3cos^2x+2sin^2x+3x
f(o)=3cos(o)^2
Объяснение: