At school we had a saying with which to remember the trigonometric forms:

in a right-angled triangle, where

- is one of the other angles
- is the short side opposite the angle
- is the short side adjacent to the angle, and
- is the hypotenuse (the long side).

The saying was

Some Old Horses

Can Always Hear

Their Owners Approach.

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This entry was posted on Wednesday, 8 April 2009 at 20:48 and is filed under Mathematics, Mnemonics. You can follow any responses to this entry through the RSS 2.0 feed.
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Sunday, 11 August 2013 at 20:22 |

Alphabetically Cosine, Sine, Tangent A Happy Old Heap Of Apples

Cos (A/H) Sin (O/H) Tan (O/A)