`sin(pi/2^2009)cos(pi/2^2009)cos(pi/2^2008).....cos(pi/2^2)` is

The value of cos(pi/2^2).cos(pi/2^3)……….cos(pi/2^10).sin(pi/2^10) is

The value of cos(pi/2^(2)).cos(pi/2^(3))……….cos(pi/2^(10)).sin(pi/2^(10)) is

The value of cos(pi/2^(2)).cos(pi/2^(3))……….cos(pi/2^(10)).sin(pi/2^(10)) is

sin (pi/2) = 2 sin(pi/4) cos (pi/4)

the value of cos((pi)/(2^2)) . cos((pi)/(2^3)) . cos((pi)/(2^4)) ....... cos((pi)/(2^(10))) sin((pi)/(2^(10))) is

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 expression ((cos pi)/(2)+i sin((pi)/(2)))(cos((pi)/(2^(2)))+i sin((pi)/(2^(2))))......oo

The value of cos^(2)((pi)/(20))+cos^(2)((2 pi)/(20))+cos^(2)((3 pi)/(4))+......+cos^(2)((9 pi)/(20)) is

Find the value of 2cos((5pi)/12) cos(pi/12) and 2sin((5pi)/12)cos(pi/12)