Special Angles Reference

Special Angles Reference

Exact values for common trigonometric angles

θ (deg) sin θ cos θ tan θ
0 rad 0 1 0
30° π/6 ½ √3/2 √3/3
45° π/4 √2/2 √2/2 1
60° π/3 √3/2 ½ √3
90° π/2 1 0 Undefined
   
               

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