利用:sin(x)=x-x^3/3!+x^5/5!-X^7/7!+,计算sinx的值,直到最后一项的绝对值小于10-5时为止。请问怎么用
python做?
import math
if __name__ == '__main__':
x = float(input())
y = 0
p = 1
t = 1
i = 1
while abs(math.sin(x) - y) > 0.00001:
y += i * pow(x, p) / t
i *= -1
p += 2
t *= p * (p - 1)
print("{:.4f}".format(y))
有帮助的话采纳一下哦!
from math import factorial
x=int(input())
i,flag,s=1,1,0
while True:
temp=x**i/factorial(i)
s+=temp*flag
flag=-flag
if temp<10e-5:
break
i+=2
print(s)
x = float(input())
flag = True
sin_x = 0
n = int(1)
jj = 2
while flag:
low = 1
for i in range(1, n+1):
low = low * i
up = pow(-1,jj) * pow(x,n)
n = n + 2
jj = jj + 1
kk = up / low
if abs(kk) < 10 ** -5:
flag = False
break
sin_x = sin_x+kk
print(str(round(sin_x, 6)))