cos trigonometric function

#include <iostream>
#include <cmath>

int main() {
    double angleInDegrees, cosineValue;

    // Input angle in degrees
    std::cout << "Enter an angle in degrees: ";
    std::cin >> angleInDegrees;

    // Convert angle to radians
    double angleInRadians = angleInDegrees * M_PI / 180.0;

    // Calculate cosine of the angle
    cosineValue = cos(angleInRadians);

    // Display the result
    std::cout << "Cosine of " << angleInDegrees << " degrees is: " << cosineValue << std::endl;

    return 0;
}