Hypotenuse, opposite, and adjacent(right triangle)
Hypotenuse
The side directly across from the right angle
opposite
the side directly across from some angle
adjacent
the side included in the angle
Soh Cah Toa Pneumatic
Soh: Sin = Opposite/Hypotenuse,
Cah: Cos = Adjacent/Hypotenuse
Toa: Tan = Opposite/Adjacent