[231.] complementorum arcuum eiuſdem Quadrantis.

[232.] Gradus Quadrantis pro ſinubus

[233.] Gradus Quadrantis pro ſinubus rectis

[234.] rectis arcuum eiuſdem Quadrantis

[235.] complementorum arcuum eiuſdem Quadrantis.

[236.] Gradus Quadrantis pro ſinubus

[237.] Gradus Quadrantis pro ſinubus rectis

[238.] rectis arcuum eiuſdem Quadrantis.

[239.] complementorum arcuum eiuſdem Quadrantis.

[240.] EXPLICATIO, ATQVE VSVS TABVLAE præcedentis Sinuum rectorum.

[241.] THEOR. 7. PROPOS. 10.

[242.] SCHOLIVM.

[243.] COROLLARIVM.

[244.] THEOR. 8. PROPOS. II.

[245.] SCHOLIVM.

[246.] PROBL. 4. PROP. 12.

[247.] PROBL. 5. PROP. 13.

[248.] COROLLARIVM.

[249.] PROBL. 6. PROPOS. 14.

[250.] COROLLARIVM.

[251.] PROBL. 7. PROPOS. 15.

[252.] COROLLARIVM.

[253.] PROBL. 8. PROPOS. 16.

[254.] SCHOLIVM.

[255.] LINAE TANGENTES, atque Secantes.

[256.] THEOR. .9. PROPOS. 17.

[257.] SCHOLIVM.

[258.] THEOR. 10. PROPOS. 18.

[259.] SCHOLIVM.

[260.] THEOR 11. PROPOS. 19.