Is this real? Old Lucas lamp?

[novocaine]

"Off at a tangent". It's what we do!
I never understood tangents. Opposite over adjacent? WTF!

SOHCAHTOA

 

[Gtpulse]

SOHCAHTOA

Sinoftenhurtscosahandtansouraft

Weird grammar school mnemonic we were taught for everything triangular.