" ii) "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 cos^(2)112(1)/(2^(@))-sin^(2)52(1)/(2^(@))

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

cos^(2)(sin^(-1)(1/6))+sin^(2)(cos^(-1)(1/2))

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

sin ^ (2) 52 (1) / (2) -sin ^ (2) 22 (1) / (2) =

(2sin38^(@))/(cos52^(@))

cos [cos^(-1)(-1/2)-sin^(-1)(1/2)]