Trigonometry
Which of the following statements correctly describes the procedure of obtaining the graph of y=sin(x+2π5)y=\sin\left(x+\frac{2\pi}{5}\right)y=sin(x+52π) from the graph of y=sinxy=\sin xy=sinx?
Translate the graph of y=sinxy=\sin xy=sinx by 2π5\frac{2\pi}{5}52π units downward.
Stretch the graph of y=sinxy=\sin xy=sinx vertically by a factor of 52\frac5225.
Translate the graph of y=sinxy=\sin xy=sinx by 2π5\frac{2\pi}{5}52π units to the left.
Translate the graph of y=sinxy=\sin xy=sinx by 2π5\frac{2\pi}{5}52π units to the right.