Mathematics
Senior High
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三角関数の問題で、θの変位を別の文字で表すときに、なぜ最初にθの係数をかけるのでしょうか?
下の式の場合だったらなぜ先に両辺に-π/3をするとうまくいかないのでしょうか
=
Cos (20-51.
• 20 - 27/1² = A 2 93 {
dとすると
0≦x24より
= = d < 1/10
10 = 20 = 40
I
= 20 = = ² = = = = ((
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ありがとうございます!