Surya Siddhanta
तदवाप्तफलम् योज्यम् ज्यापिण्डे *गतसम्ज्ञके ।(C गतसम्ज्ञिते) स्यात् क्रमज्याविधिर् अयम् उत्क्रमज्यास्व् अपि स्मृतः॥
Add the quotient to the sine past: (the sum will be the sine required). This is the Rule for finding the right sines (of the given degrees &c.) In the same way, the versed sines (of the given degrees &c.) can be found.
english translation
tadavAptaphalam yojyam jyApiNDe *gatasamjJake ।(C gatasamjJite) syAt kramajyAvidhir ayam utkramajyAsv api smRtaH॥
hk transliteration by Sanscript