Trigonometric functions: Difference between revisions
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(→{{header|C++}}: oops ... std:: required before cmath functions (although most compilers will also compile it without)) |
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double const pi = M_PI; |
double const pi = M_PI; |
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#else |
#else |
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double const pi = 4*atan(1); |
double const pi = 4*std::atan(1); |
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#endif |
#endif |
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std::cout << "arccos(1/2) = " << std::acos(0.5)/degree << "°\n"; |
std::cout << "arccos(1/2) = " << std::acos(0.5)/degree << "°\n"; |
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std::cout << "arctan(1/2) = " << std::atan(0.5)/degree << "°\n"; |
std::cout << "arctan(1/2) = " << std::atan(0.5)/degree << "°\n"; |
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return 0; |
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} |
} |
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</lang> |
</lang> |
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