`cos24^0+cos5^0+cos175^0+cos 204^0+cos300^0` is

Prove that: cos 24^0+cos55^0+cos 125^0+cos 204^@+cos 300^0=1/2

cos24^(0)+cos5^(0)+cos175^(0)+cos204^(0)+cos300^(@)

Find the value of cos 24^@ + cos 5^@ + cos 175^@ + cos 204^@ + cos 300^@

cos5^(0)+cos24^(0)+cos175^(0)+cos204^(0)+cos300^(@)= 1) (1)/(2) 2) 13)(3)/(2)4)2

Prove that: cos24^(0)+cos55^(@)+cos125^(@)+cos20460+cos300^(@)=(1)/(2)

Show that cos24^@+cos55^@+cos125^@+cos204^@+cos300^@=1/2

cos20^0+cos80^0-sqrt(3)cos50^0 p. -1 cos0^0+cospi/7+cos(2pi)/7+cos(3pi)/7+cos(4pi)/7+cos(5pi)/7+cos(6pi)/7 q. -3/4 cos20^0+cos40^0+cos60^0-4cos10^0cos20^0cos30^0 r. 1 cos20^0cos100^0+cos100^0cos140^0-cos140^0cos200^0 s. 0

Prove that : cos 24^@+ cos 55^@ + cos 125^@ + cos204^@ + cos 300^@= 1/2 .