::mfp::math::trigon::acos(1) :

acos(x), where x can be a complex number, returns arccos value of x.

::mfp::math::trigon::acosd(1) :

Function acosd(x) calculates degree based arccos value of x.

::mfp::math::trigon::asin(1) :

asin(x), where x can be a complex number, returns arcsin value of x.

::mfp::math::trigon::asind(1) :

Function asind(x) calculates degree based arcsin value of x.

::mfp::math::trigon::atan(1) :

atan(x) returns arctan value of x, where x can be a complex number.

::mfp::math::trigon::atand(1) :

Function atand(x) calculates degree based arctan value of x.

::mfp::math::trigon::cos(1) :

cos(x) returns cos value of x, where x can be a complex number.

::mfp::math::trigon::cosd(1) :

Function cosd(x) calculates cos x where x is a degree.

::mfp::math::trigon::sin(1) :

sin(x) returns sin value of x, where x can be a complex number.

::mfp::math::trigon::sind(1) :

Function sind(x) calculates sin x where x is a degree.

::mfp::math::trigon::tan(1) :

tan(x) returns tan value of x, where x can be a complex number.

::mfp::math::trigon::tand(1) :

Function tand(x) calculates tan x where x is a degree.