Mathematics
Senior High
この解説の1行目で三角関数の公式はどれを使ってるんですか?
Jain 2rsin'zdx=2j coszsin"xdx=2\ sin*x(sin.xYdx
coSx sin xdx=2| sin x(sinxYdx
sin 2x sin xdx="
1
=2 °du=2.
-+C==sin°x+C
3
6
ー とおくと
I sin rdx-du
rAS Y -
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