The te-form of V1 indicates the means by which the action V2 is accomplished, or the manner in which V2 is performed.
ナイフとフォークを使って肉を切ってください。
Please cut the meat using a knife and a fork.
何度もくり返してテープを聞いた方がいいです。
It's better to listen to the tape repeatedly, many times.
弟は、うでを組んでかんがえています。
My younger brother is thinking with his arms crossed.
Lesson 11-5「父は７時ごろおきて、さんぽをします。」
My father gets up at around 7:00 and goes for a walk.