prod_(K=1)^(6)(sin(2k pi)/(7)-(cos(2k pi)/(7))

The value of prod_(k=1)^6((sin)(2pik)/(7)-(icos)(2pik)/(7)) is

sum_(m=1)^(4n+1)[sum_(K=1)^(m-1){sin((2k pi)/(m))-i cos((2k pi)/(m))}^(m)]

sum_(m=1)^(32)m[sum_(k=1)^(6)sin2k(pi)/(7)-i cos2k(pi)/(7)]

The value of sum_(k=1)^(10)((sin(2 pi k))/(11)-i(cos(2 pi k))/(11)) is

prod_ (k = 1) ^ (6) (sin ((2k pi) / (7)) - i cos ((2k pi) / (7))) =

The value of is sum_(k=1)^(10)(sin"" (2k pi)/(11)+ icos ""(2k pi)/(11)) is

sum_ (k = 1) ^ (6) (sin, (2 pi k) / (7) -i cos, (2 pi k) / (7)) =?

The least positive integral value of k for which [(cos.(2pi)/(7),-sin.(2pi)/(7)),(sin.(2pi)/(7),cos.(2pi)/(7))]^(k)=[(1,0),(0,1)] is

The least positive integral value of k for which [(cos.(2pi)/(7),-sin.(2pi)/(7)),(sin.(2pi)/(7),cos.(2pi)/(7))]^(k)=[(1,0),(0,1)] is