Cos 2 2x 3 4 July 8, 2019 16 32 64 128 F x )= cos 2x 3 4x 2 x 4 sin x 2 cos 2x 3 Cos 2 2x pi 4 )= 3 4 Cos 2x căn 3 2 4 2 cos 2x 3 * 2 cos 2 x 4 Sin 2 2x cos 4 2x 3 4 Cos 2 2x cos2x 3 4 0 Cos 1 cos 2 cos 3
