Month: August 2020

  • Math test 1

    [rumbletalk-chat] sine, cosine, tangent… [pmath](a^2+b^2)=a^2+2ab+b^2[/pmath]   wpmathpub Precise evaluation, almost by inspection. Q: What is the easiest, most fundamental way to precisely evaluate triginometric functions…almost by inspection? And how is…