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$\sin x-\sin y=x\sin x+c$

$\sin x+\sin y=x\cos x+c$

$\sin x-\sin y=x\cos x+c$

$\mbox{None of the above}$

$\sin x+\sin y=x\sin x+c$

Test:	DELA-Section 4.4-The phase-plane-Hard
Number of Questions:	1
Time:

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