#include <iostream>
#include <cmath>
int main() {
// Input values for angles a and b in radians
double a, b;
// Read values for angles a and b
std::cout << "Enter the value of angle a in radians: ";
std::cin >> a;
std::cout << "Enter the value of angle b in radians: ";
std::cin >> b;
// Calculate sin(a) and sin(b)
double sina = sin(a);
double sinb = sin(b);
// Calculate sina + sinb
double result = sina + sinb;
// Display the result
std::cout << "sin(a) + sin(b) = " << result << std::endl;
return 0;
}