a snazzy way of memorizing trig functions?

[sorrel]

so for trigonometry i learned soh(sine opposite over hypotenuse)   cah(cosine adjacent over hypotenuse)   toa(tan opposite over adjacent)

but we recently learned about Sec Csc and Cot
is there a nifty way to go about memorizing those three and how they're set up, like how sohcahtoa is?

[Ad Bot]

[otto-san]

sohsecahcottoacsc

try it

[Katadeus]

I just remember them as 1/cos, 1/sin, and 1/tan

Code: [Select]

Sin\
cos\\
tan\\\
cot///
sec//
csc/


tan corresponds to cot
cos corresponds to sec
sin corresponds to csc

[Ceist]

me too. but i learned their functions a week ago.

co- is short for cofunction. Sine and Cosine. Tangent and Cotangent. Secant and Cosecant.

[Badger]

tan =cot : easy because cotangent

cos = sec
sin = csc

the last two are easy because they are just the other letter eg s/c, c/s

[ultimamax]

tan/cotan ez

cos / secant
sin / cosecant

so just flip it around now. you'd think cosecant goes with cosine, then flip it

[Boost]

sin corresponds to csc
cos corresponds to sec
tan corresponds to cot

since, for example, csc is 1/sin, you'd just flip SOH(sin = opposite/hypotenuse) so that csc = hypotenuse/opposite
same for the others

you pretty much memorize which corresponds to the other when you do a few problems on them

[XR-7]

I always linked cosine and secant because their abbreviations both have a c and an s. Tangent and cotangent were self explanatory. Sine and cosecant were the ones left over, so I used them together.

[ZombiLoin]

the real bitch is memorizing the trigonometric equations.

[XR-7]

sin²θ + cos²θ = 1

[SetGaming]

sin²x + cos²x = 1

I don't have theta.

here: θ

[Oasis]

lol why not just memorize them the correct way. You're going to need them for calculus anyways.

[Alyx Vance]

Soh-cah-toa
Some Old Hippy Caught Another Hippy Tripping On Acid

This is how I learned

[SetGaming]

lol why not just memorize them the correct way. You're going to need them for calculus anyways.

how about if he's desperate, he finds an easy way to memorize them, and then later he realizes that that method of memorization helps him more, and he becomes an engineer?

[Oasis]

how about if he's desperate, he finds an easy way to memorize them, and then later he realizes that that method of memorization helps him more, and he becomes an engineer?

Cause doing things the easy way is for casuls.