def deduct(self, sources: List[Condition], target: Condition):
a = sources[1].attr_value
b = sources[2].attr_value
c = target.attr_value
if a is None:
a = math.sqrt(c * c - b * b)
sources[1], sources[2], target = sources[2], target, sources[1]
target.attr_value = a
elif b is None:
b = math.sqrt(c * c - a * a)
sources[1], sources[2], target = sources[1], target, sources[2]
target.attr_value = b
else:
target.attr_value = math.sqrt(a * a + b * b)
return sources, target
def deduct(self, sources: List[Condition], target: Condition):
a = sources[0].attr_value
b = sources[1].attr_value
c = sources[2].attr_value
p = (a + b + c) / 2
target.attr_value = math.sqrt(p * (p-a) * (p-b) * (p-c))
return sources, target
def deduct(self, sources: List[Condition], target: Condition):
a = sources[0].attr_value
b = sources[1].attr_value
c = sources[2].attr_value
cos_theta = (a**2 + b**2 - c**2) / (2 * a * b)
theta = math.degrees(math.acos(cos_theta))
target.attr_value = theta
return sources, target
def deduct(self, sources: List[Condition], target: Condition):
target.attr_value = sources[0].relationship.sum_value - sources[
1].attr_value
return sources, target
def deduct(self, sources: List[Condition], target: Condition):
target.attr_value = sources[0].attr_value
return sources, target
def deduct(self, sources: List[Condition], target: Condition):
A = math.radians(sources[0].attr_value)
B = math.radians(sources[1].attr_value)
a = sources[2].attr_value
target.attr_value = a * math.sin(B) / math.sin(A)
return sources, target
def deduct(self, sources: List[Condition], target: Condition):
ratio = sources[-1]
target.attr_value = sources[0].attr_value * ratio
return sources[:-1], target
def deduct(self, sources: List[Condition], target: Condition):
a = sources[1].attr_value
b = sources[2].attr_value
target.attr_value = a * b / 2
return sources, target
def deduct(self, sources: List[Condition], target: Condition):
gama = math.radians(sources[0].attr_value)
a = sources[1].attr_value
b = sources[2].attr_value
target.attr_value = math.sqrt(a**2 + b**2 - 2 * a * b * math.cos(gama))
return sources, target
def deduct(self, sources: List[Condition], target: Condition):
triangle1_line = sources[1].attr_value
triangle2_line = sources[2].attr_value
target.attr_value = triangle1_line / triangle2_line
return sources, target