202 def cosineAndoyerLambert_(phi2, phi1, lam21, datum=_WGS84):  argument
225     s2, c2, s1, c1, r, c21 = _sincosa6(phi2, phi1, lam21)
270 def cosineForsytheAndoyerLambert_(phi2, phi1, lam21, datum=_WGS84):  argument
292     s2, c2, s1, c1, r, _ = _sincosa6(phi2, phi1, lam21)
346 def cosineLaw_(phi2, phi1, lam21):  argument
365     return _sincosa6(phi2, phi1, lam21)[4]
505 def euclidean_(phi2, phi1, lam21, adjust=True):  argument
523         lam21 *= _scale_rad(phi2, phi1)
524     return euclid(phi2 - phi1, lam21)
624 def excessKarney_(phi2, phi1, lam21):  argument
652     t  = tan_2(lam21, lam21=None)
684 def excessQuad_(phi2, phi1, lam21):  argument
699     return Radians(Quad=atan2(tan_2(lam21) * s, c) * _2_0)
738 def flatLocal_(phi2, phi1, lam21, datum=_WGS84):  argument
765     return hypot(m * (phi2 - phi1), n * lam21)
801 def flatPolar_(phi2, phi1, lam21):  argument
820     ab = _2_0 * a1 * a2 * cos(lam21)
933 def haversine_(phi2, phi1, lam21):  argument
954     h = _hsin(phi2 - phi1) + cos(phi1) * cos(phi2) * _hsin(lam21)  # haversine
1305 def _sincosa6(phi2, phi1, lam21):  argument
1308     s2, c2, s1, c1, _, c21 = sincos2_(phi2, phi1, lam21)
1338 def thomas_(phi2, phi1, lam21, datum=_WGS84):  argument
1360     s2, c2, s1, c1, r, _ = _sincosa6(phi2, phi1, lam21)
1369             sj, cj, sk, ck, h, _ = sincos2_(j, k, lam21 * _0_5)
1425 def vincentys_(phi2, phi1, lam21):  argument
1448     s1, c1, s2, c2, s21, c21 = sincos2_(phi1, phi2, lam21)