Mathematics
Senior High
Solved
3.4.5.行目の解説お願いしたいです!変わり方がよく分かりません!
1
y' =
16
S) nies
=
1
16
.4sin ³2x (cos2x).2
(E
8-xA) 200
riexeo=sin ³2xcos2x na 4
-x200
.4sin³2x (sin 2x)
1S)-(1+xS) nie--
200xS:
.(2sin 2xcos2x )sin ²2x
=Yxnet)+x²astƐ=
4
1
-sin 4x sin ²2x
4
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