You are viewing a single comment's thread from:RE: Calling all educators! Steemiteducation- Great educational content - Day 36View the full contextmathfortress (58)in #steemiteducation • 8 years ago Here is my new post: https://steemit.com/math/@mathfortress/multivariable-calculus-the-dot-product-level-10-of-12-or-direction-angles-direction-cosines-examples-vii