Mathematics
Senior High
まるで囲ったところがよくわかりません
わかる方解説お願いします
(Ⅲ) 四角形 APQR は円に内接するから
ZQPA + ∠ARQ=π
1-2
z³- z6
-1-0
よって
arg 3-z
+arg
26=arg
1-2
1-0
3
6\
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