Mathematics
Senior High
(2)の問題でなんぜ
(|z1|+|z2|)²-|z1+z2|²＝2r1r2{1-cos(θ1-θ2)}
になるんでしょうか。
人を 2 つの複素数 (cos 9
るニム(cosのZsinの提
ただし, ヵ>0, zz0
(1) |<」二る旨夫
不等式
4 0 TFT
[Q) cosのcos寺sinのsinの
② (ailT lg"ー eo)
2ヵz(1一cos(みーの)} た
ー1scos(みー)ミ1 より
FEチコ( FEHF2Dl
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