[happyathome]

Rensnalear Polytechnic Institute hockey cheer from the 1930’s (as told to me by an ancient graduate in the 1980’s):

“E to the x, dx, dx
E to the y, dy
Tangent, secant, cosign, sign
3.14159
Disintegrate them RPI!”

[beethovenfan]

You meant “sine” and “cosine”.