Expression 1: StartFraction, "t" squared Over 2 , EndFraction left parenthesis, sin left parenthesis, StartFraction, 2 pi Over 60 , EndFraction "t" , right parenthesis , cos left parenthesis, StartFraction, 2 pi Over 60 , EndFraction "t" , right parenthesis , right parenthesist22sin2π60t,cos2π60t
00
domain t Minimum:
less than or equal to "t" less than or equal to≤t≤