已知两边及其夹角求第三边

Question

Answer 1

import math
a = float(input("Input a"))
b = float(input("Input b"))
x = float(input("Input x"))

raduis = x * math.pi / 180

c = math.sqrt(a ** 2 + b ** 2 - 2 * a * b * math.cos(raduis))
print("c = {:.2f}".format(c))

结果:

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