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Portable Network Graphic  |  1997-07-22  |  6.6 KB  |  503x292  |  4-bit (4 colors)
   ocr: opposite sino COSO adjacent L hypotenuse hypotenuse tane opposite adjacent sin All + The quadrant determines tan E COS - ++ the TRIG function sign. The sign ofal TRIG function less than 90° is always.positive.