def tan(x):
"""
Action: The trigonometric function, tangent.
:param x: an angle in degrees
:return: result, float
"""
return tangent(degrees2radians(x))
import math as fun
print("List of object names in __main__ namespace")
print("After 'import math as fun' has executed:\n",dir())
print("The value of pi is: ",fun.pi)
print("The tangent of 1 is: ",fun.tan(1))
del (fun)
print()
print("List of object names in __main__ namespace: \n",dir())
from math import pi, tan
print("List of object names in __main__ namespace")
print("After 'from math import pi, tan' has executed:\n",dir())
print("The value of pi is: ",pi)
print("The tangent of 1 is: ",tan(1))
del (pi)
del(tan)
print()
print("List of object names in __main__ namespace: \n",dir())
from math import pi as pie, tan as tangent
print("List of object names in __main__ namespace")
print("After 'from math import pi as pie, tan as tangent' has executed:\n",dir())
print("The value of pi is: ",pie)
print("The tangent of 1 is: ",tangent(1))
del (pie)
del(tangent)
print()
print("You want to avoid polluting the __main__ namespace like this: ")
print(dir())
import random # fully
for i in range(5):
value = random.randint(1, 6)
print(value)
from math import pi #just one
print(pi)
from math import sqrt, cos #various
import math
print(math.cos == cos)
from math import sqrt as square_root #import as a diferent name
print(square_root(100))
from math import sqrt as square_root, cos as cosine, tan as tangent
print(square_root(49))
print(cosine(0))
print(tangent(45))
print(dir(math))
import math as m
print(math.sqrt(25))
print(dir())
from math import pi, tan
print('List of object names in __main__ namespace', end=' ')
print('after "from math import pi, tan" has executed:')
print(dir())
print('The value of pi is', pi)
print('The tangent of 1 is', tan(1))
del (pi)
del (tan)
# Import selectively with aliases into __main__ namespace
print('List of object names in __main__ namespace:')
print(dir())
from math import pi as pie, tan as tangent
print('List of object names in __main__ namespace', end=' ')
print('after "from math import pi, tan" has executed:')
print(dir())
print('The value of pi is', pie)
print('The tangent of 1 is', tangent(1))
del (pie)
del (tangent)
# Unless you are experimenting in the shell avoid "wildcard imports" as every
# name in the module's namespace will be in the __main__namespace
from math import *
print('YOu want to avoid polluting the __main__namespace like this: ')
print(dir())
print(dir())
from math import pi, tan
print('List of object names in __main__ namespace', end=' ')
print('"from math import pi as Pie, tan as tangent" has executed:')
print(dir())
print('The value of pi is', pi)
print('The value of 1 is', tan(1))
del (pi)
del (tan)
# use selectively the data attributes for "math" module
print('List of objects names in __main__ namespace:')
print(dir())
from math import pi as pie, tan as tangent
print('List of object names in __main__ namespace', end=' ')
print('"from math import pi as Pie, tan as tangent" has executed:')
print(dir())
print('The value of pi is', pie)
print('The value of 1 is', tangent(1))
del (pie)
del (tangent)
#wildcard usage of module namespace
from math import *
print('you want to avoid using this:')
print(dir())
# Import a module from standard library
import math
print(math.cos(0))
print('-----------------------')
# Import specific functions from standard library
from math import sin, cos
print(sin(0))
print(cos(0))
print('-----------------------')
# Import a specific function from standard library with renaming
from math import tan as tangent
print(math.tan(0.1234))
print(tangent(0.1234))
def apothem(self):
rads = radians(180/self.num_sides)
return self.side_length / (2 * tangent(rads)) #the result is limited to 16 digits
import math
print("Welcome to degree finder app")
number = (input("Enter thr degree value to find in sin,cosine and tangent "))
search = int(input("Enter number to find it degree"))
if number == "sin":
degree = math.sin(search)
print(degree)
elif number == "cos":
degree = math.cos(search)
print(degree)
elif number == "tangent":
degree = math.tangent(search)
print(degree)
# Import selectively into __main__ namespace
print('List of object names in __main__ namespace:')
print(dir())
from math import pi, tan
print('List of object names in __main__ namespace', end=' ')
print('after "from math import pi, tan" has executed:')
print(dir())
print('The value of pi is', pi)
print('The tangent of 1 is', tan(1))
del (pi)
del (tan)
# Import selectively with aliases into __main__ namespace
print('List of object names in __main__ namespace:')
print(dir())
from math import pi as pie, tan as tangent
print('List of object names in __main__ namespace after', end=' ')
print('"from math import pi as pie, tan as tangent" has executed:')
print(dir())
print('the value of pi is', pie)
print('the value of tan is', tangent(1))
del (pie)
del (tangent)
# Unless experimenting in the shell avoid "wildcard imports" as every
# name in the module's namespace will be in the __main__ namespace
from math import *
print('You want to avoid polluting the __main__ namespace like this:')
print(dir())
def apothem(self):
rads = radians(180 / self.num_sides)
return self.side_length / (2 * tangent(rads))