Radians to degrees

2π

2π

360 deg

0

0 deg

π/6

30 deg

π/4

45 deg

π/3

60 deg

π/2

90 deg

2π/3

120 deg

3π/4

135 deg

5π/6

150 deg

π

180 deg

7π/6

210 deg

5π/4

225 deg

4π/3

240 deg

3π/2

270 deg

5π/3

300 deg

7π/4

315 deg

11π/6

330 deg

0-π/2

Sin,Cos,Tan, CSC,SEC and COT

π/2-π

Since and CSC

π-3π/2

Tangent and COT

3π/2-2π

Cosine and SEC

Sin -7π/6

= Sine π/6

Cos 7π/4

= Cos π/4

tan -5π/6

tan π/6