The attached GIF shows the Taylor series of the arcsin and arccos. arctan=arccos/arcsin. I haven't tried to implement these formulas on a 68HC11. 3 to 4 steps are quite precise already. Jeroen van der Vegt. -----Original Message----- From: Raymond, (...) (26 years ago, 9-Mar-99, to lugnet.robotics.handyboard)
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