Answers

✨ Best Answer ✨

sinの中だけ見ると
(2π/0.2){t-(1.8-x)/4.0}
=10π(t+x/4-9/20)
=10π(t+x/4)-(9/2)π

ここで画像にあるヒントを使っています

Post A Comment
Were you able to resolve your confusion?