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Trigonometry Review
Unit Circle
Question | Answer |
---|---|
sin 0° | 0 |
cos 0° | 1 |
tan 0° | 0 |
sin 0 | 0 |
cos 0 | 1 |
tan 0 | 0 |
sin 30° | 1/2 |
cos 30° | √3/2 |
tan 30° | √3/3 |
sin π/6 | 1/2 |
cos π/6 | √3/2 |
tan π/6 | √3/3 |
sin 45° | √2/2 |
cos 45° | √2/2 |
tan 45° | 1 |
sin π/4 | √2/2 |
cos π/4 | √2/2 |
tan π/4 | 1 |
sin 60° | √3/2 |
cos 60° | 1/2 |
tan 60° | √3 |
sin π/3 | √3/2 |
cos π/3 | 1/2 |
tan π/3 | √3 |
sin 90° | 1 |
cos 90° | 0 |
tan 90° | undefined |
sin π/2 | 1 |
cos π/2 | 0 |
tan π/2 | undefined |
sin 120° | √3/2 |
cos 120° | -1/2 |
tan 120° | -√3 |
sin 2π/3 | √3/2 |
cos 2π/3 | -1/2 |
tan 2π/3 | -√3 |
sin 135° | √2/2 |
cos 135° | -√2/2 |
tan 135° | -1 |
sin 3π/4 | √2/2 |
cos 3π/4 | -√2/2 |
tan 3π/4 | -1 |
sin 150° | 1/2 |
cos 150° | -√3/2 |
tan 150° | -√3/3 |
sin 5π/6 | 1/2 |
cos 5π/6 | -√3/2 |
tan 5π/6 | -√3/3 |
sin 180° | 0 |
cos 180° | -1 |
tan 180° | 0 |
sin π | 0 |
cos π | -1 |
tan π | 0 |
sin 210° | -1/2 |
cos 210° | -√3/2 |
tan 210° | √3/3 |
sin 7π/6 | -1/2 |
cos 7π/6 | -√3/2 |
tan 7π/6 | √3/3 |
sin 225° | -√2/2 |
cos 225° | -√2/2 |
tan 225° | 1 |
sin 5π/4 | -√2/2 |
cos 5π/4 | -√2/2 |
tan 5π/4 | 1 |
sin 240° | -√3/2 |
cos 240° | -1/2 |
tan 240° | √3 |
sin 4π/3 | -√3/2 |
cos 4π/3 | -1/2 |
tan 4π/3 | √3 |
sin 270° | -1 |
cos 270° | 0 |
tan 270° | undefined |
sin 3π/2 | -1 |
cos 3π/2 | 0 |
tan 3π/2 | undefined |
sin 300° | -√3/2 |
cos 300° | 1/2 |
tan 300° | -√3 |
sin 5π/3 | -√3/2 |
cos 5π/3 | 1/2 |
tan 5π/3 | -√3 |
sin 315° | -√2/2 |
cos 315° | √2/2 |
tan 315° | -1 |
sin 7π/4 | -√2/2 |
cos 7π/4 | √2/2 |
tan 7π/4 | -1 |
sin 330° | -1/2 |
cos 330° | √3/2 |
tan 330° | -√3/3 |
sin 11π/6 | -1/2 |
cos 11π/6 | √3/2 |
tan 11π/6 | -√3/3 |
sin 360° | 0 |
cos 360° | 1 |
tan 360° | 0 |
sin 2π | 0 |
cos 2π | 1 |
tan 2π | 0 |