log. sin

log. sin. A 9.9223854 d*où A>=123M4'.37>'.54''' n vu .IX cos. (115^37M8^57•"^

Passons à *, on a tang.i b « ^os. (7o,37mV,57'^0 ''"*^' **^ '^

- COS. (6*%22S4%3^») ^ , ,^ ^^, cos. (64^,22^4^3'^0 tang. 70o + C08.(7S37M8%57"0 ^ ^ "og./u-; cos. (7%37S18",57'")

log. COS. (64%22',4%3"') 9.6360791 / }6= 60o,ieM6%37'" log. tang. 70O 10.4389341