MathCastle
TrigonometryChallengeThe Unit Circle and Circular Functions

The Unit Circle and Circular Functions · Challenge problem

For how many integers nn with 1≤n≤1001 \le n \le 100 is the terminal point P ⁣(nπ7)P\!\left(\dfrac{n\pi}{7}\right) on the unit circle more than 11 unit away from the point (1,0)(1, 0)?