fn cos_sin(angle_bha: Tensor<3>) -> (Tensor<3>, Tensor<3>)Expand description
(cos, sin) of an angle tensor, reduced mod 2π first (value-exact).
fn cos_sin(angle_bha: Tensor<3>) -> (Tensor<3>, Tensor<3>)(cos, sin) of an angle tensor, reduced mod 2π first (value-exact).