Question: Differential Equation, VERY simple question, i promise.

Find y(1) and y′ (1), and then plot y(x) and y′ (x) on the same graph over
the range 0
≤ x ≤ 1, if y(x) is the solution of the initial-value problem corresponding
13
to the differential equation y′′ + sin(xy) = 0 and the initial conditions y(0) = 1 and
y′ (0) = 2.

 

That's my question, here's my input so far.

eq3:=diff(y(x),x,x) + sin(x*y(x))=0;

That goes through.. and then

ans3:=dsolve({eq3,y(0)=1,D(y)(0)=2},y(x)):

the result of this is just

ans3:=

 

Does anyone know why I can't seem to get an answer?

 

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