6x 4x 2 x 1 4 July 8, 2019 16 32 64 128 4 (- 6x 7 )= 4x 10 2 1 x Cos6x 32cos 6x 48cos 4x 18cos 2 x 1 Integrate 1 4x 6x 2 4x 3 x 4 dx
