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Portable Network Graphic  |  1988-04-19  |  4.1 KB  |  512x342  |  4-bit (3 colors)
   ocr: Trignometric Formulas ythagorean dentity Double angle formulas Law of Sines Half angle formulas Law of Cosines b 2 =??? sin 2x == ??? sin a Values of trig functions Sum of two trig functions Addition formulas Product of two trig functions sin X - ??? sin X + sin y sin (x+y)=??? sin X cos y