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(1)y=2sin(+),x∈R;
(2)y=-6sin(2x-),x∈R.
(1)y=2sin(+),x∈R;
(1)y=(2-x2)3;
(2)y=sinx2;
(3)y=(sinx)2;
(4)y=cos(-x);
(5)y=sin3(1-);
(6)y=(1+cos2x.
(1)y=(a+bxn)m;
(2)y=ln3;
(3)y=3;
(4)y=sin3(x+).
(1)y=cos; (2)y=2;
(3)y=loga; (4)y=a.