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Old 03-19-2010, 10:26 PM
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AxleIke AxleIke is offline
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An easy way to remember these trig functions is the following pnuemonic:

Chief SOH CAH TOA (pronounced Cheif soak-a toe-a)

The SOH CAH TOA part is as follows

SINE = OPPOSITE over HYPOTENUSE

COSINE = ADJACENT over HYPOTENUSE

TANGENT = OPPOSITE over ADJACENT

Where the hypotenuse is obvious, and the adjacent side is not the hypotenuse, but the other connecting side to the angle you have, and the opposite is the one not touching the angle, if that makes any sense.
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