Vt ſin{us} anguli A D L, \\ differentiæ inter an- \\ gulos obſeruationum \\ ADM, LDM, # ad A L, hoc \\ eſt, ad D E, \\ differentiam \\ ſtationum: # Ita ſin{us} anguli ALD, qui \\ relinquitur, ſi DLM, comple- \\ mentum minoris anguli \\ L D M, obſeruati ex duob{us} \\ rectis ſubtrahatur, # ad AD.
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</note>
<p>
<s xml:id="echoid-s2922" xml:space="preserve">Nam productus numerus offeret hypotenuſam AD. </s>
<s xml:id="echoid-s2923" xml:space="preserve"> Si ergo rurſus fiat,</s>
Vt ſin{us} to- \\ t{us} anguli \\ recti M, # ad hypotenuſam AD, \\ proxime inuentam, # Ita ſin{us} anguli D A M, \\ complementi maioris an- \\ guli obſeruationis, # ad DM,
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</note>
<p>
<s xml:id="echoid-s2927" xml:space="preserve">effi cietur diſtantia D M, cognita.</s>