Mathematics
Senior High
曲線の凹凸を求める問題です。質問なんですが、sinやcosが入った問題では増減表の+と−はどうやって求めればいいのでしょうか
31g:グー cOsス
( 0 <ひ<か)
Sin
CosT
2
6
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t
t
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