is$($t$)=$A$1$cos$(1000$t$+2$$)+$A$2$cos$(2000$t$2$$)$ Assume the system is in steady state. Find the current ia$$ at times t$1=4$ms:t$2=5$ms:$$ia$($t$1)=$B$1$ia$($t$2)=$B$2$ Given Variables: $$A$1$:$3$A$$A$2$:$9$A$$L:$1$mHC:$250$uFR$1$:$8$ohmR$2$:$2$ohmk:$1$V$/$A$$ Determine the following: B$1($A$)$: