[" Itlustration "3.69" Show that "],[4sin27^(@)=(5+sqrt(5))^(1/2)-(3-sqrt(5))^(1/2)]

Show that 4sin27^(0)=(5+sqrt(5))^((1)/(2))-(3-sqrt(5))^((1)/(2))

Show that 4sin27^0=(5+sqrt(5))^(1/2)-(3-sqrt(5))^(1/2)

Show that 4sin27^0=(5+sqrt(5))^(1/2)-(3-sqrt(5))^(1/2)

Show that 4sin27^0=(5+sqrt(5))^(1/2)+(3-sqrt(5))^(1/2)

Prove that, 4sin27^(@)=sqrt(5+sqrt(5))+sqrt(3-sqrt(5))

Prove that 4sin27^@=sqrt(5+sqrt5)-sqrt(3-sqrt5)

Prove that ; 4 sin 27^@=(5+sqrt(5))-sqrt((3-sqrt(5))) we have

Prove that 4 sin 27^@ = sqrt(5+sqrt5)+sqrt(3-sqrt5) .

Prove that (1)cos36^(@)cos72^(@)cos108^(@)cos144^(@)=(1)/(16)(2) Show that 4sin27^(@)=sqrt(5+sqrt(5))-sqrt(3-sqrt(5))

Prove that sin 27^circ = 1/4 (sqrt(5 + sqrt5) - sqrt(3 - sqrt5)) .