Question

The Fourier series of the function

f(x)={3x−3xifif−π<x<00<x<πf(x)={3xif−π<x<0−3xif0<x<π

is given by

f(x)∼c0−∑n=1∞cncos((2n+1)x)+∑n=1∞bnsin(nx)f(x)∼c0−∑n=1∞cncos⁡((2n+1)x)+∑n=1∞bnsin⁡(nx)

where
c0=c0=

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Equation Editor

cn=cn=

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Equation Editor

and

bn=bn=

(1 point) The Fourier series of the function ( r1x2 3x -3x if if -π

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