Math Tables & Reference Lab · Geometry & Trigonometry

Exact Trigonometric Values

Exact sine, cosine and tangent values for the standard special angles.

Angle	Radians	sin	cos	tan
0°	0	0	1	0
30°	π/6	1/2	√3/2	√3/3
45°	π/4	√2/2	√2/2	1
60°	π/3	√3/2	1/2	√3
90°	π/2	1	0	undefined
120°	2π/3	√3/2	−1/2	−√3
135°	3π/4	√2/2	−√2/2	0
150°	5π/6	1/2	−√3/2	−√3/3
180°	π	0	−1	0
210°	7π/6	−1/2	−√3/2	√3/3
225°	5π/4	−√2/2	−√2/2	1
240°	4π/3	−√3/2	−1/2	√3
270°	3π/2	−1	0	undefined
300°	5π/3	−√3/2	1/2	−√3
315°	7π/4	−√2/2	√2/2	−1
330°	11π/6	−1/2	√3/2	−√3/3
360°	2π	0	1	0

How to use this table

Exact sine, cosine and tangent values for the standard special angles. Use it as a reference, for practice, or to check your own work. On large tables, scroll horizontally on a phone. Tap cells to visually track a row or value.