1. Find the general solution of (general integral) of the differential equation.
1.7 siny ∙ cosxdy = cosy ∙ sinxdx

2. Find the general solution of (general integral) of the differential equation.
2.7 y2lnxdx - (y - 1) xdy = 0

3. Find the general solution of (general integral) of the differential equation.
3.7 xy - y = xtg (y / x)

4. Find a particular solution of (partial integral) of the differential equation.
4.7 xy + y + xe-x2 = 0, y (1) = 1 / 2e.

5. Find the general solution of the differential equation.
5.7 yx3siny = xy - 2y

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