Programming Reference/Librarys
Question & Answer
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#include <iostream> /* including standard library */ #include <cmath> /* including math library */ using namespace std; int main (void) { double x; x = 42.0; //cout.setf(ios::fixed, ios::floatfield); cout.precision(8); cout << "sine of " << x << "° is " << sin(x*3.1415/80) << endl;; return 0; }
sine of 42° is 0.99692115