Identity NO. 4 : Square root “sequence” of 2
Reading some of the Lev Kourliandtchik books, I’ve found a tricky observation how to write this gigantic expression in an extremely simple,
with number of square roots.
It’s easy to check that
and using that equality we have
cool, huh? 🙂
Filed under: Identity, Mathematics, Science | 5 Comments
Tags: 2, cos, cosinus, form, Identity, roots, sequence, short, square