[221.] Gradus Quadrantis pro ſinubus rectis

[222.] rectis arcuum eiuſdem Quadrantis.

[223.] complementorum arcuum eiuſdem Quadrantis.

[224.] Gradus Quadrantis pro ſinubus

[225.] Gradus Quadrantis pro ſinubus rectis

[226.] rectis arcuum eiuſdem Quadrantis

[227.] complementorum arcuum eiuſdem Quadrantis.

[228.] Gradus Quadrantis pro ſinubus

[229.] Gradus Quadrantis pro ſinubus rectis

[230.] rectis arcuum eiuſdem Quadrantis

[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.