Electricians need to know and understand conduit bending calculations, which are different trigonometric functions which explain the theory behind conduit bending. In order to figure out how much to bend the angle, certain information must be known, including opposite angle, hypotenuse, opposite, and adjacent (to the right angle). Calculations include sine (the opposite angle divided by the
. hypotenuse); cosine (the adjacent angle divided by the hypotenuse); tangent (the opposite divided by the adjacent); cotangent (the adjacent divided by the opposite); the secant (the hypotenuse divided by the adjacent); and the cosecant (the hypotenuse divided by the opposite). You can find more information here: http://www.porcupinepress.com/_bending/TheoryAndDrawings.htm
