1. The problem statement, all variables and given/known data An inductance is connected across an AC current generator. 2. Relevant equations v= L di/dt = Vsinωt 3. The attempt at a solution i=∫di= V/L ∫sinωt dt= -V/ωL cosωt This is what is written in my book. But wouldn't there be a constant at the end of the indefinite integral?