# Python code for tan () demonstration

 
# import & quot; math & quot; for math operations

import math 

a = math.pi / 6

 
# returning the tangent of pi / 6

print ( "The value of tangent of pi / 6 is:" , end = "") 

print (math.tan (a)) 

# Show Python program
  # Graphical representation
# tan () function

import math

import numpy as np

import matplotlib.pyplot as plt 

in_array = np.linspace ( 0 , np.pi, 10 ) 

out_array = []

for i in range ( len (in_array)):

out_array.append (math.tan (in_array [i]))

  i + = 1

print ( "in_array:" , in_array) 

print ( " out_array: " , out_array) 

  
# red for numpy.sin ()

plt.plot (in_array, out_array, color = ` red` < code class = "plain">, marker = "o" ) 

plt.title ( "math.tan ()" ) 

plt.xlabel ( "X" ) 

plt.ylabel ( "Y" ) 

plt.show ()