1.14. 1) F(x) xsinx,
,
f(x)
sinx + xcosx, x € R;
2) F(x) хсоѕх, ,
f(x) = cosx - xsinx, x € R;
3) F(x) = 2sin6x,
f(x) = 12cos(x, xe R;
4) F(x) = -5cos ,
f(x) = sinh & 6 R;
5) F(x) = 2cos2x – sin4х, f(x) = -4(sin2x + cos4x), xe R;
6) F(x) = sin3x + cos8x, f(x) = cos3х – 2sin8x, xe R?

MILKovka    2   18.09.2021 05:41    10