How to convert the simple math formula in c++?

[adz]

How to convert the math formula in c++????

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[Peter87]

http://en.cppreference.com/w/cpp/numeric/math/exp
http://en.cppreference.com/w/cpp/numeric/math/sin
http://en.cppreference.com/w/cpp/numeric/math/cos

[adz]

but module?

[TheGrayWolf]

module - http://www.cplusplus.com/reference/cmath/abs/