/* COSINE SERIES */#include#include#include#define pi 3.14 void main() { int n,i,j; float x,x1,sum,p,f,k; clrscr(); printf("\n\tCOSINE SERIES"); printf("\n\t~~~~~~~~~~~~~~~"); printf("\nEnter the value of n:"); scanf("%d",&n); printf("\nEnter the value for x:"); scanf("%f",&x); x1=x*(pi/180); sum=1; for(i=2;i<=n*2;i+=2) { p=pow(x1,i); f=1; for(j=1;j{ f=f*j; } k=1; k=k*(-1); sum=sum+(p/f)*k; } printf("\n The sum of series %f",sum); printf("\n The cosine...
