[" If "sin^(3)x sin3x=sum_(m=0)^(n)c_(m)cos mx" where "c_(0),c_(1),c_(2),......,c_(n)],[" are constants and "c_(n)!=0," then the value of "n" is "]

If sin^3xsin3x=sum_(m=0)^nc_mcosmx , where c_0,c_1,c_2,....,c_n are constants and c_n!=0 , then the value of n is

Suppose sin^(3)x sin3x=sum_(m=0)^(n)C_(m)cos mx is an identity in x, where C_(0),C_(1)...,C_(n) are constants and C_(n)!=0, the the value of n is

If sin^(3)x sin3x=sum_(n=0)^(6)c_(n)cos^(n)x where c_(0),c_(1),c_(2),...c_(6) are constants.then find the value of c_(4)

if sin^(3)x sin3x=sum C_(m)cos^(m)x where c_(0),c_(1),c_(2).....c_(6) are constants then :

If sin ^(3) x sin 3x= sum _(m=0)^(n) c_(m) cos mx is an identity in x, where C_(0), C_(1),C_(2),…,C_(n) are constants and C_(n) ne 0, then the value of n is equal to-

Suppose sin^(3)xsin3x= sum_(n=0)^(n) c_(n)cosnx is an identify in n, where C_(0), C_(1) , …..C_(n) are constants and C_(n) ne 0, Then , the value of n is ___________.

Suppose sin^(3)x sin3x=sum_(m=0)^(n) C_(m) cos mx is an idedntity in x , where C_(0),….C_(n) are constant and C_(n)ne0 then the value of n is ___________