当 (f(x) ightarrow 0) 时,有:
[egin{align}
sin f(x) &acksim f(x)
onumber \
an f(x) &acksim f(x)
onumber \
ln (1+f(x)) &acksim f(x)
onumber \
e^{f(x)} – 1 &acksim f(x)
onumber \
arcsin f(x) &acksim f(x)
onumber \
arctan f(x) &acksim f(x)
onumber \
log_a (1+f(x)) &acksim cfrac{f(x)}{ln a}
onumber \
a^{f(x)} – 1 &acksim f(x) ln a
onumber \
1-cos f(x) &acksim cfrac{1}{2} f^2(x)
onumber \
ln(f(x)+sqrt{1+f^2(x)}) &acksim f(x)
onumber \
f(x) – sin f(x) &acksim cfrac{1}{6} f^3(x)
onumber \
an f(x) – f(x) &acksim cfrac{1}{3} f^3(x)
onumber \
(1 + f(x))^ alpha – 1 &acksim alpha f(x)
onumber \
arcsin f(x) – f(x) &acksim cfrac{1}{6} f^3(x)
onumber \
f(x) – arctan f(x) &acksim cfrac{1}{3} f^3(x)
onumber \
an f(x) – sin f(x) &acksim cfrac{1}{2} f^3(x)
onumber
end{align}
]
作者: 暮颜 —— 衣带渐宽终不悔
出处:https://www.cnblogs.com/vocaloid-fan1995/
版权归作者和博客园共有,欢迎转载。但未经作者同意必须保留此段声明,且在文章页面明显位置给出原文连接,否则保留追究法律责任的权利。
转载请注明原文链接:https://www.cnblogs.com/vocaloid-fan1995/p/15216656.html
本作品采用知识共享署名-非商业性使用-相同方式共享 4.0 国际许可协议进行许可。