Mathematics
Senior High
Solved
赤線がcos6xになぜなるのか教えてほしいです！😿
(5) y'=(cos"x)Y'sin5x +cos"x· (sin 5xy
=5cos*x·(-sin x)· sin5x
+cos®x -(cos5x)·5
=5cosx(coSxcos5x-sinxsin 5x)
=5cos xcos6x
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ありがとうございます😊