Expression 3: "n" left parenthesis, "x" , right parenthesis equals tangent left parenthesis, StartFraction, pi "x" Over 2 , EndFraction , right parenthesisnx=tanπx2
3
Expression 4: left parenthesis, left parenthesis, 1 minus "m" , right parenthesis sin pi "t" plus "m" "n" left parenthesis, "t" , right parenthesis , left parenthesis, "m" minus 1 , right parenthesis cos pi "t" plus "m" sin left parenthesis, "n" left parenthesis, "t" , right parenthesis , right parenthesis , right parenthesis Has graph.1−msinπt+mnt,m−1cosπt+msinnt
domain t Minimum: negative 1−1
less than or equal to "t" less than or equal to≤t≤