Mathematics
Senior High
Solved
数学Aの問題です!
αの角度を求める問題で答えは20°なのですが、途中式がよく分かりません。どなたかわかる方教えてください🙇♀️
(3)
25°
A
B
a
0
45°
C
Answers
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ありがとうございます😭おかげで理解出来ました!