How can we calculate the angle between two lines without having to calculate the slope?
16 Views|Posted 2011-06-15 22:14:01
Asked by Asacccaccsa
1 Answer

Answered by
2011-10-09 10:42:51
Perhaps the technique of reading through a sextant can get you the answer.If not, refer to SL Lony 's Trigonometry.
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