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Portable Network Graphic  |  1988-04-19  |  2.2 KB  |  511x341  |  1-bit (2 colors)
   ocr: Pythagorean identity & sin2x + cos?x = 1 C sec2x = 1 + - tan2x csc2x == 1 + cot2x a Law of sines Law of cosines sin & sin - B sin C Y a2= b2+c2- - 2bc - COS 0 a table of contents