Top Definition
1) Trigonometry; 2) An acronym, the formula used in trigonometry classes so that students can remember trigonometric functions. It stands for: Sine=Opposite/Hypotenuse, Cosine=Adjacent/Hypotenuse, Tangent=Opposite/Adjacent.
Hey Ed, remember that equation Ms. Lubar gave you in class? Just remember sohcahtoa and you'll ace the test!
by pentozali November 30, 2005
A mnemonic device to aid in recalling the relationships of the main trigonometric functions.

<S>ine is <O>pposite the <H>ypotenuse
<C>osine is <A>djacent to the <H>ypotenuse
<T>angent is <O>pposite over <A>djacent.

Sometimes written as "soh cah toa."
When analyzing a right triangle, remember "sohcahtoa."
by SG Fan November 01, 2004
helps you remeber you cos,sin and tan.

Some Old Hippie Caught Another Hippie Tripping On Acid
i totally forgot what formula to use for tan, but then i remembered the acid poem (sohcahtoa)
by danitruant December 11, 2007
Used in Geometry.
My teacher told me to remember it by: (S)ome (O)ld (H)ippie (C)aught (A)nother (H)ippie (T)rippin (O)n (A)cid.
Teacher: Okay so you remember SOH CAH TOA?

Us: you mean, some old hippie caught another hippie trippin on acid?

Teacher: Yes.
by youngin. May 14, 2010
Trig mnemonic for:

Sine = Opposite/Hypotenuse
Cosine = Adjacent/Hypotenuse
Tangent = Opposite/Adjacent

Problem is, who can remeber how to spell this supposed Indian Princess name? Much better mnemonic is Sally Can Tell (sine/cosine/tangent in the vertical column) Oscar/Has, A/Hard, On/Always (opposite/hypotenuse, adjacent/hypotenuse/, opposite/adjacent, also vertically).
Socohtoa, Socahtohoa, Socotoah, Sohcahtoa, ??? Might as well remember the whole order of functions...
by pammy jammy September 04, 2007
Some Old Hippie Caught Another Hippie Tripping On Acid.

Mnemonic device for SOHCAHTOA, referring to the trigonometric method of finding the sine, cosine, and tangent of a right triangle.
During Math quiz day, Johnny remembered SOHCAHTOA. The kid next to him actually did it.
by cymon April 30, 2007
used to remember trigonometry but also if said in very high pitched voice "SOCHATOA" can really annoy a maths teacher !!! or even "SOHCAHTO" .... "A"
Mr E: I think were gunna need trig....

Gareth: SOHCAHTO...?!?!?!

Callum: A

Gareth And Callum: SOHCAHTOA!!!!

Mr E: grrr Gareth move !!! blah bla blah scraping a C blah bla blah
by Gareth... April 17, 2008
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