“Sine” and “cosine” have nothing to do with “sign” and “cosign” (as with a mortgage), but there are jokes. “Whenever they said ‘sine’ I just wrote my name in cursive. And whenever they said ‘cosine’ I helped someone get a mortgage” was posted on Twitter by Ryan Henning on March 22, 2011.
A riddle was posted on Reddit—Cleanjokes on July 3, 2020:
Q: Why can’t 45 degree angles get a mortgage?
A: They don’t know whether to sine or cosine.
Twitter
Ryan Henning
@RhinoandCompass
Replying to @loser_domi
@loser_domi Whenever they said “sine” I just wrote my name in cursive. And whenever they said “cosine” I helped someone get a mortgage
9:19 PM · Mar 22, 2011·Twitter Web Client
Twitter
20 lakh crore AtamNirbhaRatty
@YearOfRat
Trigonometry, where a student will sine his soul, cosine his mortgage over to the devil but still go off on a tangent in class. Theta this!
4:12 PM · May 22, 2011·TweetDeck
Twitter
ian.
@izinckzinck
I buy a house and go to the bank to sine the mortgage. I need someone to cosine but no one will so I go on a tangent #mathjokes #nerdprobs
7:09 PM · Dec 4, 2012·Twitter for iPhone
Twitter
Trevor Lee-Chan
@trevorleechan
So if you would like to sine and cosine a mortgage with me, I will not go on a tangent.
1:12 PM · Feb 8, 2014·Twitter Web Client
Twitter
Ian Goodyer
@justified_left
When a mathematician gets a mortgage, do they sine the agreement? And should someone else cosine it? Sorry, I’m going off on a tangent.
11:41 AM · Sep 25, 2015·Twitter Web Client
Twitter
It’s Matt!
@KingOdysseus
When you get a mortgage on a house in the shape of an equilateral triangle you need someone to sine, someone to cosine, and then a tan gent.
12:22 PM · Jun 21, 2016·Tweetbot for iΟS
Reddit—Cleanjokes
Posted by u/IrishWoodland July 3, 2020
why can’t 45 degree angles get a mortgage ?
they don’t know whether to sine or cosine
COMMENTS
muchmusic
They can’t get a square deal?
Stompya
That’s acute joke.
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