6 Replies
@Dexter
Note for OP
+solved @user1 @user2...
to close the thread when your doubt is solved. Mention the users who helped you solve the doubt. This will be added to their stats.dimensionless qty:

Could you share the calc? @ns

(google reverse image search)
smax and smin you get by substituting P and V, and then limits of the sin function!