Exact trigonometric values
Table of contents
0°
3°
6°
9°
12°
15°
18°
21°
24°
27°
30°
33°
36°
39°
42°
45°
48°
51°
54°
57°
60°
63°
66°
69°
72°
75°
78°
81°
84°
87°
90°
0° and 90°
0°
Other values
90°
Other values
45°
Derivation (Graph)
Derivation (Half-Angle Formula)
45°
Other values
30° and 60°
Derivation (Graph)
30°
Other values
60°
Other values
15° and 75°
Derivation (Graph)
Derivation (Half-Angle Formula)
15°
Other values
75°
Other values
18°, 36°, 54°, and 72°
Derivation (Graph)
18°
Other values
36°
Other values
54°
Other values
72°
Other values
9°, 27°, 63°, and 81°
Derivation (Half-Angle Formula)
9°
Other values
27°
Other values
63°
Other values
81°
Other values
6°, 12°, 24°, 42°, 48°, 66°, 78°, and 84°
Derivation (Sum and Difference Formula)
6°
Other values
12°
Other values
24°
Other values
42°
Other values
48°
Other values
66°
Other values
78°
Other values
84°
Other values
3°, 21°, 33°, 39°, 51°, 57°, 69°, and 87°
Derivation (Sum and Difference Formula)
3°
Other values
21°
Other values
33°
Other values
39°
Other values
51°
Other values
57°
Other values
69°
Other values
87°
Other values