python鎬庝箞瀵煎叆cos鍑芥暟
扬州沐宇科技
2021-02-14 11:18:49
python
鍦╬ython涓鍏os鍑芥暟鐨勬柟娉?p>鍦╬ython涓娇鐢╟os鍑芥暟鏃讹紝cos()鍑芥暟鏃犳硶鐩存帴璁块棶锛岄渶瑕佸厛瀵煎叆math妯″潡锛屽湪閫氳繃闈欐€佸璞¤皟鐢紱
cos()锛歝os鍑芥暟鐨勪綔鐢ㄦ槸杩斿洖x鐨勫姬搴︾殑浣欏鸡鍊笺€?p>cos()鍑芥暟璇硶锛?p>
import math
math.cos(x)
cos()鍑芥暟浣跨敤鏂规硶锛?p>
import math #瀵煎叆math妯″潡
print "cos(3) : ", math.cos(3)
print "cos(-3) : ", math.cos(-3)
print "cos(0) : ", math.cos(0)
print "cos(math.pi) : ", math.cos(math.pi)
print "cos(2*math.pi) : ", math.cos(2*math.pi)
杈撳嚭缁撴灉涓猴細
cos(3) : -0.9899924966
cos(-3) : -0.9899924966
cos(0) : 1.0
cos(math.pi) : -1.0
cos(2*math.pi) : 1.0
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