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Trigonometric Ratios

Trigonometric Ratios

Author: Martin Cardenas


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What do we know about right triangles?

What are trig ratios?

Three most common trig ratios

How to remember all of that?

There is an easy way of remember the trig ratios. You simply have to remember SOH-CAH-TOA which means:

SOH: Sine is opposite over hypotenuse

CAH: Cosine is adjacent over hypotenuse

TOA: Tangent is opposite over adjacent


More resources

Here are other websites that will provide more info on trig ratios:





The BIG Question

Think of at least five different ways where trig ratios are applied in real life bring your list to class.