Question

any one known this answer plzz tell me

Answer 1

cos^2(45) + sin^2(60) 

= (cos(45))^2 + (sin(60))^2 

= (1/sqrt(2))^2 + (sqrt(3)/2)^2 

= 1/2 + 3/4 

= 5/4

option B is the answer..

;-)HOPE IT HELPS!!

Answer 2

option (B) is the correct answer.