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Technically it is the sin of angle the way angles are usually measure, but the cos and sin of 45 are the same physicsclassroom.com/class/vectors/Lesson-3/Inclined-Planes (sin is the parallel force,...

There is some physics here that can answer.

Basically the sin of the angle of the press gives you the equivalent, but then you have to factor in your weight. Seems to be about 20% more of your...