Right Triangle
This is a triangle that has an angle which is equal to 90.
Sin Function
Opposite Side / Hypotenuse
Cos Function
Adjacent Side / Hypotenuse
Tan Function
Opposite Side / Adjacent Side
SOHCAHTOA
Sin = O/H , Cos = A/H , Tan = O/A
Pythagorean Theorem
a^2 = b^2 + c^2