="tangProd[A,B](TangVec[A],TangVec[B]):TangVec[(A,B)]"></a> <span class="permalink"><a href="../../provingground/learning/TangVec$.html#tangProd[A,B](av:provingground.learning.TangVec[A],bw:provingground.learning.TangVec[B]):provingground.learning.TangVec[(A,B)]" title="Permalink"><i class="material-icons"></i></a></span> <span class="modifier_kind"><span class="modifier"></span> <span class="kind">def</span></span> <span class="symbol"><span class="name">tangProd</span><span class="tparams">[<span name=