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Tan

Usage

Tan[z]给出z的正切。


Notes

• 数学函数(参见A.3.10节)
Tan参数假设是弧度(乘以Degree转换为度)。
Sin[z]/Cos[z] 自动转换为 Tan[z]. TrigFactorList[expr]进行分解。
• 当它的参数是一个简单有理倍数时,自动计算Tan;对更复杂的有理倍数,有时使用FunctionExpand
• 参见Mathematica 全书: 1.1.3 and 节 3.2.6.
• 同时参见: ArcTan, Cot, TrigToExp, TrigExpand.
Further Examples

You can compute exact values of trigonometric functions.

In[1]:=  

Out[1]=

This is the derivative.

In[2]:=  

Out[2]=

This is the integral.

In[3]:=  

Out[3]=

This is a series expansion around  .

In[4]:=  

Out[4]=



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