" 3.Evaluate "cos^(2)112(1^(@))/(2)-sin^(2)52(1^(@))/(2)

Find the value of cos^(2)112^((1^(0))/(2))-sin^(2)52^((1^(0))/(2)) cos^(2)52^((1^(0))/(2))-sin^(2)22^((1^(0))/(2))

Find the value of sin^(2)52(1^(@))/(2)-cos^(2)7(1^(@))/(2)

Find the value of cos^(2)52(1^@)/(2) - sin^(2)22 (1^@)/2

Find the value of cos^(2)112(1)/(2^(@))-sin^(2)52(1)/(2^(@))

Evaluate sin(cos^(-1)((1)/(2)))

Evaluate sin2^(@)(1-cos2^(@))