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數(shù)學(xué)公式代碼 c語(yǔ)言中sin怎么表示?

c語(yǔ)言中sin怎么表示?在C標(biāo)準(zhǔn)庫(kù)中輸入一些雙精度類型并調(diào)用Sin函數(shù)。函數(shù)原型:double sin(double x)函數(shù):用于查找給定值的正弦值的函數(shù)頭文件:#include<math。H&

c語(yǔ)言中sin怎么表示?

在C標(biāo)準(zhǔn)庫(kù)中輸入一些雙精度類型并調(diào)用Sin函數(shù)。

函數(shù)原型:double sin(double x)

函數(shù):用于查找給定值的正弦值的函數(shù)

頭文件:#include<math。H>

參數(shù):給定值(弧度)。

返回值:返回-1和1之間的計(jì)算結(jié)果。

示例:

#include<stdio。H>

#包含<math。H>

int main()

{

const double pi=3.1415926

double D

scanf(%LF”,&D)

double result=sin(D*pi/180)cos(D*pi/180)

printf(%fn”,結(jié)果)

return 0

}

C語(yǔ)言里sin函數(shù)和cos函數(shù)的調(diào)用?

sin函數(shù)將角度作為參數(shù)值,并返回角度對(duì)邊長(zhǎng)度除以斜邊長(zhǎng)度的比值。結(jié)果從-1到1。若要將角度轉(zhuǎn)換為弧度,請(qǐng)將角度乘以π/180。為了將弧度轉(zhuǎn)換成角度,請(qǐng)將弧度乘以180/π函數(shù):正弦,余弦函數(shù):函數(shù):正弦,余弦函數(shù)用法:doublesin(double x)double cos(double)是double(double)double(double)double(double)cos(double)是角度的個(gè)數(shù),將弧度轉(zhuǎn)換成角度,請(qǐng)將弧度乘以180/π函數(shù):180/π函數(shù):函數(shù):正弦,余弦函數(shù)用法:正弦,余弦函數(shù):用法:double in(double(double)double(double)double(box)double)double(double)cos(double)cos(double)cos(double)cos(double)cos(double)cos(double)cos(double)是數(shù)字:double(double)是double(double)double(double(double)是double)double cos(double cos(double cos(double)是a(double)是a(double)是a(double(double a)

可以調(diào)用系統(tǒng)的sin()頭文件#include<math。H>sin(以弧度為單位的角度單位)。例如:sin(45.0/180.0*3.1415926)系統(tǒng)的sin()是通過(guò)級(jí)數(shù)展開(kāi)來(lái)計(jì)算的。