# Difference in waveforms

#### electronicslearner77

##### Member
what is the difference between the two wave forms i = Im sin(wt) -> 1 , H = Hm sin(wt) $$\angle 0$$ ->2. The equation 1 i think can also be written as Im $$\angle 0$$ and it is phasor. I did not understand much about the eq2.