Asked by Karthi

dy/dx+tanx tany=cosx secy

Answers

Answered by oobleck
multiply by cosy and you have
cosy y' + tanx siny = cosx
Now let u = siny and you have
u' + tanx u = cosx
That should look more familiar.
Answered by Rinku Behera
Yes
Answered by Anonymous
Great 👌
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