PROOFS OF THE ADDITION AND SUBTRACTION FORMULAS BY MEANS OF...

School Science and Mathematics 1917 Vol. 17; Iss. 9

PROOFS OF THE ADDITION AND SUBTRACTION FORMULAS BY MEANS OF PTOLEMY'S THEOREM

Albert Babbitt
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Volume:
17
Year:
1917
Language:
english
Pages:
3
DOI:
10.1111/j.1949-8594.1917.tb03739.x
File:
PDF, 57 KB
english, 1917
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