Question: In Problems 31 through 42, verify that the given differential equation is exact; then solve it. (ex sin y + tan y) dx + (ex

In Problems 31 through 42, verify that the given differential equation is exact; then solve it.

(ex sin y + tan y) dx + (ex cos y +

(ex sin y + tan y) dx + (ex cos y + x sec y) dy = 0

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