" Find the value of the following expression "[(1-cos(pi)/(10)+i sin(pi)/(10))/(1-cos(pi)/(10)-i sin(pi)/(10))]^(5)

Find the value of following expression: [(1-cos(pi)/(10)+i sin(pi)/(10))/(1-cos(pi)/(10)-i sin(pi)/(10))]^(10)

The expression [(1+sin((pi)/(8))+i cos((pi)/(8)))/(1+sin((pi)/(8))-i cos((pi)/(8)))]^(8)

Find the value of expression ((cos pi)/(2)+i sin((pi)/(2)))(cos((pi)/(2^(2)))+i sin((pi)/(2^(2))))......oo

The value oif the expressin (1+(cos pi)/(10))(1+(cos(3 pi))/(10))(1+(cos(7 pi))/(10))(1+(cos(9 pi))/(10)) is

Find the principal values of the following. sin^(-1) ("sin"(9pi)/(10))

Find the value of ((1 + sin"" (pi)/(10) + i cos"" (pi)/(10))/(1 + sin"" (pi)/(10) - i cos"" (pi)/(10)))^(10) .

Find the value of the following inverse trigonometric expression: cos^(-1)(1/(sqrt(2))("cos"(9pi)/10-"sin"(9pi)/10))

Find the value of the following inverse trigonometric expression: cos^(-1)(1/(sqrt(2))("cos"(9pi)/10-"sin"(9pi)/10))

Find the value of expression (cos(pi/2)+i sin(pi/2))(cos(pi/(2^2))+i sin(pi/(2^2)))......oo

Find the value of (cos pi+i sin pi)