# "Soh Cah Toa"

Maybe you've heard of the expression "Soh Cah Toa" before. It turns out that that expression relates to Trigonometry!

If we relate using , , and , we have three new formulas to remember, although they're not too bad.

To help you memorize these three formulas, mathematicians have created a catchy phrase: "

*soh cah toa*." It simply states that "**s**in is**o**pposite over**h**ypotenuse," "**c**osine is**a**djacent over**h**ypotenuse," and "**t**angent is**o**pposite over**a**djacent." Take some time to memorize this phrase.## Review

How do you find the **sine** of an angle?

How do you find the **cosine** of an angle?

How do you find the **tangent** of an angle?