C Program to find Cosine value1 min read

In this tutorial, we will write a C Program to find Cosine series. Let us first by understanding what is cosine series.

Cosine Series:

It is a series used to find the value of cos(x), where x is the angle in degree which is converted to Radian.

Formula:

cosine formula

For Cos(x) series:

Cos(x) = 1 – (x*2 / 2!) + (x*4 / 4!) – (x*6 / 6!)……

Let us understand through a C program to calculate the value of cos(x).

Example

Input-:
x = 4, n = 3
Output-:
0.997563

Input-:
x = 8, n = 2
Output-:
0.990266


C Program to find Cosine series

Output:

Enter x value: 10
Enter n value: 3
Result: 0.984804


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