In [1]:
import numpy as np
import matplotlib.pyplot as plt
from IPython.display import display,Math
In [2]:
def angle_convert_plot():
angle = eval(input('What angle to convert? '))
unit = input('Which unit did you input (radian or degree)? ')
if unit[0].lower()=='r':
rad = angle
deg = np.rad2deg(angle)
elif unit[0].lower()=='d':
deg = angle
rad = np.deg2rad(angle)
else:
raise ValueError('Unknown unit!')
deg = deg%360
rad = rad%(2*np.pi)
print(deg,rad)
plt.plot([0,1],[0,0],'r',linewidth=2)
plt.plot([0,np.cos(rad)],[0,np.sin(rad)],'r',linewidth=3)
plt.axis('square') # 1st, order is important!
plt.axis([-1,1,-1,1]) # 2nd, order is important!
plt.grid()
plt.title('Angle is %s$^o$ or %s rad.' %(deg,rad))
plt.show()
In [3]:
angle_convert_plot()
