三角関数の最大 〜sinとcosの2次式〜
Synopsis
問題＞ 次の関数の最大値と最小値およびそのときのxの値を求めよ。 y=sin^2{x} + 4sin{x} cos{x} +5cos²{x} (0≦x＜2π) ＜はやくち ...
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