C++
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using namespace std;
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int main() {
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int N, i, j, fact = 1, sign = 1;
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float x, y = 0;
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cout << "Enter N (number of iterations),x (angle value in rad): ";
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cin >> N >> x;
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for (i = 1;i <= N;i++) {
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fact = 1;
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for (j = 1;j <= i;j++) {
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fact *= j;
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}
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y += sign * (pow(x, 2 * i - 1)) / fact;
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sign *= -1;
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}
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cout << "sin(" << x << ") = " << y << " the real value should be " << sin(x);
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}
$ g++ prog.cc -Wall -Wextra -std=c++98 -pedantic
Stdin
10 0.5
Start
Enter N (number of iterations),x (angle value in rad): sin(0.5) = 0.442398 the real value should be 0.479426
0
Finish