Saturday, May 9, 2009

Remember Your Right Triangle Trig Ratios?

SOHCAHTOA

Sin A = Opposite/Hypotenuse

Cos A = Adjacent /Hypotenuse

Tan A = Opposite/Adjacent

Remember you can use these ratios is you have a right triangle. Angle A refers to either of the two acute angles in the triangle but not the right angle. If you do not have enough info to use the Pythagorean Theorem, you can usually use these trig ratios.

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