`cos^3x.sin2x=sum_(m=1)^n(a_m)sin mx` is an identity in x.

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

Suppose sin^3xsin3x=sum_(m=0)^n C_mcosm x is an identity in x , where C_0,C_1 ,C_n are constants and C_n!=0, the the value of n is ________

Suppose sin^3xsin3x=sum_(m=0)^n C_mcosm x is an identity in x , where C_0,C_1 ,C_n are constants and C_n!=0, the the value of n is ________

Suppose sin^3xsin3x=sum_(m=0)^n C_mcosm x is an identity in x , where C_0,C_1 ,C_n are constants and C_n!=0, the 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 ___________

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-

if sin^(3)x-sin3x=sum_(m=0rarr n)c_(m)*cos mx is an identity in x, where c_(m)^(=0rarr n) are constant then the value of n is

If 8sin^(3)xsin3x=sum_(r=0)^(n)a^(r)cosrx is an identity in x, then n=