回答:
# "位相シフト" = -50 ^ @#
# "垂直方向のシフト" = -10#
説明:
# "サイン関数の標準形式は"#です
#色(赤)(棒(ul(|色(白)(2/2)色(黒)(y = asin(bx + c)+ d)色(白)(2/2)|))))#
# "振幅" = | a |、 "周期" = 360 ^ @ / b#
# "位相シフト" = -c / b、 "垂直シフト" = d#
# "ここ" a = 2、b = 1、c = 50 ^ @、d = -10#
#rArr "位相シフト" = -50 ^ @、 "垂直シフト" = -10#