tan_bet1 (reference) in projects: OK3568_Linux_fs

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/OK3568_Linux_fs/buildroot/dl/qt5location/git/src/3rdparty/mapbox-gl-native/deps/boost/1.65.1/include/boost/geometry/formulas/
H A D	area_formulas.hpp	`439 CT tan_bet1 = tan(get_as_radian<1>(p1)) * one_minus_f; in ellipsoidal() local 441 CT cos_bet1 = cos(atan(tan_bet1)); in ellipsoidal() 443 CT sin_bet1 = tan_bet1 * cos_bet1; in ellipsoidal()`