Find the principal argument of the complex number `sin(6pi)/5+i(1+cos(6pi)/5)dot`

The argument of the complex number sin6(pi)/(5)+i(1+cos6(pi)/(5)) is

Find the modulus,argument,and the principal argument of the complex numbers.(i-1)/(i(1-cos((2 pi)/(5)))+(sin(2 pi))/(5))

Find the modulus,argument,and the principal argument of the complex numbers.(i) (tan1-i)^(2)

Find Principal Argument of complex no.sin6(pi)/(5)+i(1+cos6(pi)/(5))

Find the modulus,argument and the principal argument of the complex numbers: a z=1+cos((10 pi)/(9))+i sin((10 pi)/(9))(b)z=-2(cos30^(@)+i sin30^(@))

Find the argument and the principal value of the argument of the complex number z=(2+i)/(4i+(1+i)^(2)) where i=sqrt(-1)

FInd sin(pi/10). cos(pi/5)

Find the modulus and principal argument of the following complex number: (5)/(2)(cos30^(@)+i sin30^(@))

Find the modulus and principal argument of the following complex number: cos70^(0)+i cos20^(@)

Find the principal argument of the complex (1+i)^(5)(1+sqrt(3i))^(2) number ((1+i)^(5)(1+sqrt(3i))^(2))/(-2i(-sqrt(3)+i))