Mathematics
Senior High
Resolved
なぜ、x=cosθ、y=sinθって置けるんですか?
②パラメーター表示
10
(2)x+y=1のとき、3x+yのMarmin
x
北とが単位円上を動くから、
x=cosθ、y=sinoとおくと、
αは
3nty=3cos+sinθ使わないから
=√143=sin(tx)
1~-1
形計
=
= √ro sin (O+X)
Max Vowin-vom
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