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"SOHCAHTOA" is a helpful mnemonic for remembering the definitions of the trigonometric functions
sine,
cosine, and
tangent.
Sine = Opposite over Hypotenuse
Cosine = Adjacent over Hypotenuse
Tangent = Opposite over Adjacent
Other mnemonics include:
1. "Tommy On A Ship Of His Caught A Herring" (probably more common in Great Britain than the United States).
2. "Oscar Has A Hold On Angie."
3. "Oscar Had A Heap of Apples."
4. "The Old Army Colonel And His Son Often Hiccup" (which gives the functions in the order tangent, cosine, sine).
5. "Studying Our Homework Can Always Help To Obtain Achievement."
6. "Some Old Hippy Caught Another Hippy Tripping On Acid."
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What is sahcahtoa?
Sohcahtoa is an abbreviation (SOH) sine opposite hypotenuse (CAH) cosine adjacent hypotenuse (TOA) tangent opposite adjacent.
What is tan on a scientific calculator?
It is a trigonometric equation for a right triangle, to find a non-right-angle angle. Using SOHCAHTOA, it is the opposite side divided by the adjacent angle
What is a sohcahtoa useful for?
A way to remember the definitions of the three most common trigonometry functions: sin, cos and tan. Used as a memory aid for the definitions of the three common trigonometry functions sine, cosine and tangent.
In math what do the letters in sohcahtoa stand for?
A way of remembering how to compute the sine, cosine, and tangent of an angle. SOH stands for Sine equals Opposite over Hypotenuse. CAH stands for Cosine equals Adjacent over Hypotenuse. TOA stands for Tangent equals Opposite over Adjacent.
