Soru:
(cos(x+y))² + (sin(x - y))² ifadesi aşağıdakilerden hangisine eşittir? A) sinx.cosy B) 2sin(x-y)cos(x+y C) 1- sinx.cosy D) 1- sin2x.cos2y E) 1- sin2x.sin2y 5) D 6) E 7) C 81 %3D 8°
![(cos(x+y))² + (sin(x - y))²
ifadesi aşağıdakilerden hangisine eşittir?
A) sinx.cosy
B) 2sin(x-y)cos(x+y
C) 1- sinx.cosy
D) 1- sin2x.cos2y
E) 1- sin2x.sin2y
5) D
6) E
7) C
81
%3D
8°](https://media.kunduz.com/media/question/seo/raw/20200405221906467221-1401479_Zp4k0zKkB.jpeg?h=512)
(cos(x+y))² + (sin(x - y))² ifadesi aşağıdakilerden hangisine eşittir? A) sinx.cosy B) 2sin(x-y)cos(x+y C) 1- sinx.cosy D) 1- sin2x.cos2y E) 1- sin2x.sin2y 5) D 6) E 7) C 81 %3D 8°