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radians cos
Special trig values
Question | Answer |
---|---|
cos(0) | 1 |
cos(π/6) | √3/2 |
cos(π/4) | √2/2 |
cos(π/3) | 1/2 |
cos(π/2) | 0 |
cos(2π/3) | -1/2 |
cos(3π/4) | -√2/2 |
cos(5π/6) | -√3/2 |
cos(π) | -1 |
cos(7π/6) | -√3/2 |
cos(5π/4) | -√2/2 |
cos(4π/3) | -1/2 |
cos(3π/2) | 0 |
cos(5π/3) | 1/2 |
cos(7π/4) | √2/2 |
cos(11π/6) | √3/2 |
cos(2π) | 1 |