对于函数y=sinx,在用五点作图法作图时,采用的五个点是:
x 0 π/2 π 3π/2 2π
对于函数y=1-sin(2x-π/5),五点作图所选取的点是:
2x-π/5 0 π/2 π 3π/2 2π
x π/10 7π/20 3π/5 17π/20 11π/10
对于函数y=sinx,在用五点作图法作图时,采用的五个点是:
x 0 π/2 π 3π/2 2π
对于函数y=1-sin(2x-π/5),五点作图所选取的点是:
2x-π/5 0 π/2 π 3π/2 2π
x π/10 7π/20 3π/5 17π/20 11π/10