This collection of trigonometry jokes and puns will help bring a spark of fun and humor to your trig lessons. Get ready to make your students laugh! (Or groan…)

As a high school math teacher, I have been collecting mathematical jokes and math puns for years to add to my math lessons. I want to make it easy for you to do the same with these funny trigonometry puns.

These hilarious trig jokes are school-appropriate and teacher approved. These jokes would be appropriate for any trigonometry or precalculus class at the high school or university level. If you teach more than just trigonometry, I suggest checking out my collection of over 100 of the best math jokes or my free printable math joke of the week posters. I also have an entire collection of geometry jokes.

## General Trigonometry Jokes

**Why was the trigonometry book sad?**It had a lot of problems.**What did one trigonometry book say to the other?**Don’t bother me! I’ve got my own problems.**What is the best way to pass a trigonometry test?**Know all the angles.**Why wasn’t the trigonometry teacher at school?**Because she sprained her angle!**What is a trigonometry teacher’s favorite animal?**A hippopotenuse. (hypotenuse)

## Sin, Cos, and Tan Jokes

These trig jokes feature the three basic trig functions: sine, cosine, and tangent.

**Why couldn’t the angle get a loan?**His parents wouldn’t cosine.**What do you call a gentleman who spent all the summer at the beach?**A tangent.**Why didn’t sin and tan go to the party?**Just cos.**How do deaf mathematicians communicate?**Sine language**Why was math class so long?**The teacher kept going off on a tangent.**Why did the math professor divide sin by tan?**Just cos.**Why should you take your math teacher to the bank with you?**Because he/she will be the best person to cosine for you.**Why did a priest refuse to learn trigonometry?**Because it is full of sin.**What do mortgages and trigonometry have in common?**You have to sine and cosine.**What do you call a researcher who is good at trigonometry?**A sinentist!**What is the opposite of a stop sign?**A cosine. (A go sign!)**What does trigonometry have in common with the beach?**Tangents.**Why did you divide sin by tan?**Just cos.**What is a trigonometry teacher’s favorite food?**COS Law! (coleslaw)

## Csc, Sec, and Cot Jokes

These jokes feature the reciprocal trig functions: cosecant, secant, and cotangent.

**What do you call an insect that’s not feeling well?**A secant (sick ant)**Why should you always follow your instincts when doing trigonometry?**Because you might have secant thoughts and go off on a tangent

## Triangle Jokes

**What did the triangle say to the circle?**You’re pointless!**Which triangles are the coldest?**Ice-sosceles Triangles**Why is the obtuse triangle always upset?**It is never right.**Why did the 30-60-90 triangle marry the 45-45-90 triangle?**They were right for each other.**Why was the triangle the MVP of the basketball team?**It always made three-pointers.**What do you call a teapot of boiling water on top of a mountain?**A high-pot-in-use.**Why did Albert Einstein and Pythagoras go to small claims court?**To fight for possession of C squared!**What do they call the longest side of a right triangle in the forest?**A Hypoten-Moose!

## Angle Jokes

**Why did the obtuse angle go to the beach?**It was over 90 degrees.**What do you call an angle that is adorable?**Acute angle**How do you keep warm in a cold room?**You go to the corner because it’s always 90 degrees.**Why did the mathematician spill all of his food in the oven?**The directions said, “Put it in the oven at 180°”.**What do mathematicians do after a snowstorm?**Make snow angles!**Did you hear about the overeducated circle?**It has 360 degrees!**Why are obtuse angles always sad?**Because they are never right.

## Pi Jokes

**What do you get if you divide the circumference of a jack-o-lantern by its diameter?**Pumpkin Pi**Why should you never start a conversation with pi?**It’ll just go on forever.**Why did Pi get its driver’s license revoked?**Because it didn’t know when to stop.**What’s the official animal of Pi day?**The Pi-thon!**What do you get when you take the sun and divide its circumference by its diameter?**Pi in the sky**Why isn’t pi on Twitter?**Because 280 characters isn’t enough to express itself.**What was Isaac Newton’s favorite dessert?**Apple pi.**What do you call a mathematician who doubles as a private investigator?**Magnum Pi.**What’s the math teacher’s favorite dessert?**Pi.**How many bakers does it take to bake a pi?**3.14.**Why shouldn’t you eat too much pi?**You’ll end up with a large circumference.**What do you get when a bunch of sheep hang out in a circle?**Shepherd’s pi.**What did pi say in a fight with its brother?**You’re being irrational.**What’s the best way to visualize infinity?**Using a pi chart.**What did the mathematicians order at the restaurant on March 14th?**Chicken pot pi.**What do mathematicians and the Air Force have in common?**They both use pi-lots.**What’s the best way to serve pi?**A la mode. Anything else is mean.

## More Math Jokes and Math Puns

Looking for more laughs? Check out my giant collection of 139 funny math jokes.