Name the function
The trig function that is defined as opposite over hypotenuse.
SINE
Find the angle measure of tan W = 0.5317
28°
This trig function is defined as opposite over adjacent.
TANGENT
This trig function is defined as adjacent over hypotenuse.
COSINE
Find <R in Triangle 1 using inverse trig ratios 
53
Use this trig function when you do not have the hypotenuse but you have the other two sides
TANGENT
What triangle do we need to use SOH CAH TOA
Right Triangle