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Update perpare.tex

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Didnelpsun
2021-01-14 02:27:06 +08:00
parent 292b8dcb5d
commit 9e1a3171f9
1 changed files with 2 additions and 1 deletions
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1.1-perpare/perpare.tex
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@@ -347,7 +347,8 @@ $y=log_ax(a>0,a\neq 1)$为$y=a^x$的反函数：
\begin{tikzpicture}
\draw[-latex](-1.5,0) -- (1.5,0) node[below]{$x-axis$};
\draw[-latex](0,-2) -- (0,2) node[above]{$y-axis$};
\draw[black, thick, domain=-5:5] plot (\x,{arcsin(\x r)}) node at (1,pi/2){$\sin(x)$};
% \draw[black, thick, domain=-1:1] plot (\x,{arcsin(\x r)}) node at (1,pi/2){$\arcsin(x)$};
\draw[domain=-1:1,smooth,variable=\y] plot ({rad(asin(\y))},\y) node[right] {$x = \arcsin y$};
\end{tikzpicture}
\paragraph{分段函数}