General Discussion

caraher

(6,364 posts)

34. Trigonometry

Thu Oct 21, 2021, 01:26 AM

Oct 2021

SOH-CAH-TOA is a mnemonic for the relationship between the lengths of sides of a right triangle and the sine, cosine, and tangent of one of the other interior angles:

Sine theta = Opposite / Hypoteneuse
Cosine theta = Adjacent / Hypoteneuse
Tangent theta = Opposite / Adjacent

Somehow I managed to learn the mnemonic without a performance like that...

Edit history

Please sign in to view edit histories.

Recommendations

0 members have recommended this reply (displayed in chronological order):

64 replies

= new reply since forum marked as read

Highlight:

Yesterday a Native American student filmed this video in his Math class. [View all] Nevilledog Oct 2021 OP

That pos should be fired rockfordfile Oct 2021 #1

:) Seems a little excessive. What was her intent? Hortensis Oct 2021 #54

Was it calculus? milestogo Oct 2021 #2

Trigonometry caraher Oct 2021 #34

Must be something with Trig. My trig teacher was imprisoned for ice picking a teacher he was dating. TheBlackAdder Oct 2021 #49

This message was self-deleted by its author librechik Oct 2021 #57

Students need trig in what I'm teaching now... caraher Oct 2021 #62

Some Of His Children Are Having Trouble Over Algebra Marcuse Oct 2021 #63

this gal should not be teaching ANYTHING Skittles Oct 2021 #3

I agree, there is something seriously wrong with her n/t Bev54 Oct 2021 #22

wtf Celerity Oct 2021 #4

I never liked teachers who pulled stunts because they madaboutharry Oct 2021 #5

Isn't she just a miracle of affliction? Solly Mack Oct 2021 #6

This is disturbing Deuxcents Oct 2021 #7

What does this have to do with math? LeftInTX Oct 2021 #8

From the thread AZSkiffyGeek Oct 2021 #11

Good gosh...I can see saying Soh Cah Toa once or twice..... LeftInTX Oct 2021 #16

Is THAT what she said? ShazzieB Oct 2021 #31

I admit I don't remember any of this AZSkiffyGeek Oct 2021 #50

I know, right? Those students must have awful earworms.. LeftInTX Oct 2021 #52

A "mnemonic" device. A pneumonic device is medical equipment to help breathing. JHB Oct 2021 #44

A pneumonic-mnemonic device is medical equipment to help you remember to breathe. FSogol Oct 2021 #45

Thanks, I knew it didn't look right... AZSkiffyGeek Oct 2021 #51

wtf Demovictory9 Oct 2021 #9

And her pants look ridiculous too. Captain Zero Oct 2021 #37

I will call tomorrow Mary in S. Carolina Oct 2021 #10

What stupidity. Get her out of the classroom and into sensitivity training. brush Oct 2021 #12

Next week she was planning a class on the Civil Rights Movement. Midnight Writer Oct 2021 #13

She looks like a massive nutcase vercetti2021 Oct 2021 #14

I am a graduate of John w North HS...but not recently. it was loads of fun at the time nt msongs Oct 2021 #15

Somehow, I don't see any teaching of math taking place. PoindexterOglethorpe Oct 2021 #17

Is she on drugs? LeftInTX Oct 2021 #18

Absolutely 3auld6phart Oct 2021 #19

Well, that was disgusting. UTUSN Oct 2021 #20

WTF is wrong with people? Initech Oct 2021 #21

too many people live in a bubble Skittles Oct 2021 #24

Outrage of the Day! Outrage! greenjar_01 Oct 2021 #23

"It's how we've always done it." dchill Oct 2021 #25

It wasn't a defense greenjar_01 Oct 2021 #26

I never learned this. I also tutored college algebra and trigonometry for three years LeftInTX Oct 2021 #27

Thanks for the explanatory videos. Buckeye_Democrat Oct 2021 #30

Mine either, same era obamanut2012 Oct 2021 #43

Same Time Frame Here ProfessorGAC Oct 2021 #64

It is outrageous. This is exactly the problem, right here. yardwork Oct 2021 #38

A teacher in 2021 needs to know better. eShirl Oct 2021 #39

"This is racist as fuck, but..." WhiskeyGrinder Oct 2021 #40

really? dsc Oct 2021 #42

So THAT'S My Problem RobinA Oct 2021 #59

What in tarnation was that?! Buckeye_Democrat Oct 2021 #28

I know... LeftInTX Oct 2021 #29

Its not a defense because the dance and chant is offensive but... jcgoldie Oct 2021 #32

I remember it too madville Oct 2021 #47

What the hell did her disgusting stunt 💩 have to do with math ... REPULSIVE! Raine Oct 2021 #33

Maybe her little dance had to do with METH. nt raccoon Oct 2021 #55

LOL! 👍 nt Raine Oct 2021 #60

Isn't it obvious? Throck Oct 2021 #35

Good one! Buckeye_Democrat Oct 2021 #36

as a math teacher all I can say is yikes dsc Oct 2021 #41

Any details on the teacher's ancestry? madville Oct 2021 #46

would a modern day Stepin Fetchit get a pass? nt DeeNice Oct 2021 #48

Is this for real??? LeftInTX Oct 2021 #58

Hard to understand how she thought this was OK, racially-speaking, but mostly Wingus Dingus Oct 2021 #53

What in the world?!? (n/t) Patton French Oct 2021 #56

The "teacher" has been placed on leave... PunkinPi Oct 2021 #61