In [1]:

    

import math


    

In [2]:

    

print(math.pi)


    

    




3.141592653589793

In [3]:

    

print(math.degrees(math.pi))


    

    




180.0

In [4]:

    

print(math.radians(180))


    

    




3.141592653589793

In [5]:

    

sin30 = math.sin(math.radians(30))
print(sin30)


    

    




0.49999999999999994

In [6]:

    

print(round(sin30, 3))
print(type(round(sin30, 3)))


    

    




0.5
<class 'float'>

In [7]:

    

print('{:.3}'.format(sin30))
print(type('{:.3}'.format(sin30)))


    

    




0.5
<class 'str'>

In [8]:

    

print(format(sin30, '.3'))
print(type(format(sin30, '.3')))


    

    




0.5
<class 'str'>

In [9]:

    

print(math.isclose(sin30, 0.5))


    

    




True

In [10]:

    

asin05 = math.degrees(math.asin(0.5))
print(asin05)


    

    




29.999999999999996

In [11]:

    

print(round(asin05, 3))


    

    




30.0

In [12]:

    

print(math.cos(math.radians(60)))


    

    




0.5000000000000001

In [13]:

    

print(math.degrees(math.acos(0.5)))


    

    




59.99999999999999

In [14]:

    

print(math.tan(math.radians(45)))


    

    




0.9999999999999999

In [15]:

    

print(math.degrees(math.atan(1)))


    

    




45.0

In [16]:

    

print(math.degrees(math.atan(0)))


    

    




0.0

In [17]:

    

print(math.degrees(math.atan(1)))


    

    




45.0

In [18]:

    

print(math.degrees(math.atan(-1)))


    

    




-45.0

In [19]:

    

print(math.degrees(math.atan(math.inf)))


    

    




90.0

In [20]:

    

print(math.degrees(math.atan(-math.inf)))


    

    




-90.0

In [21]:

    

print(math.degrees(math.atan2(0, 1)))


    

    




0.0

In [22]:

    

print(math.degrees(math.atan2(1, 1)))


    

    




45.0

In [23]:

    

print(math.degrees(math.atan2(1, 0)))


    

    




90.0

In [24]:

    

print(math.degrees(math.atan2(1, -1)))


    

    




135.0

In [25]:

    

print(math.degrees(math.atan2(0, -1)))


    

    




180.0

In [26]:

    

print(math.degrees(math.atan2(-1, -1)))


    

    




-135.0

In [27]:

    

print(math.degrees(math.atan2(-1, 0)))


    

    




-90.0

In [28]:

    

print(math.degrees(math.atan2(-1, 1)))


    

    




-45.0

In [29]:

    

print(math.degrees(math.atan2(-0.0, -1)))


    

    




-180.0

In [30]:

    

print(-1 / math.inf)


    

    




-0.0

In [31]:

    

print(-1.0 * 0.0)


    

    




-0.0

In [32]:

    

print(-0.0)


    

    




-0.0

In [33]:

    

print(-0)


    

    




0

In [34]:

    

print(math.degrees(math.atan2(0.0, 0.0)))


    

    




0.0

In [35]:

    

print(math.degrees(math.atan2(-0.0, 0.0)))


    

    




-0.0

In [36]:

    

print(math.degrees(math.atan2(-0.0, -0.0)))


    

    




-180.0

In [37]:

    

print(math.degrees(math.atan2(0.0, -0.0)))


    

    




180.0

In [38]:

    

print(math.sin(0.0))


    

    




0.0

In [39]:

    

print(math.sin(-0.0))


    

    




-0.0

In [40]:

    

print(math.asin(0.0))


    

    




0.0

In [41]:

    

print(math.asin(-0.0))


    

    




-0.0

In [42]:

    

print(math.tan(0.0))


    

    




0.0

In [43]:

    

print(math.tan(-0.0))


    

    




-0.0

In [44]:

    

print(math.atan(0.0))


    

    




0.0

In [45]:

    

print(math.atan(-0.0))


    

    




-0.0

In [46]:

    

print(math.atan2(0.0, 1.0))


    

    




0.0

In [47]:

    

print(math.atan2(-0.0, 1.0))


    

    




-0.0