Mathematics
Undergraduate
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サイクロイドの問題ですが、答えがcot(t/2)となるのが分かりません。
求めよ ( α は正の定数):
V(1) A: x=acost, y = asint
(0<t<π).
(2) サイクロイド: x=a(t-sin t), y = a(1-cost)
LILABA
( 0 <t<2π).
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