Which of the following is equivalent to sin2(x)+cos(2x)\sin^2(x) + \cos(2x)sin2(x)+cos(2x)?
cos2(x)\cos^2(x)cos2(x)
cos(2x)\cos(2x)cos(2x)
1−2sin2(x)1 - 2\sin^2(x)1−2sin2(x)
1−sin2(x)1 - \sin^2(x)1−sin2(x)