you should know that
between 0 and (1/2)π is quad I (between 0 and 90°)
between (1/2)π and 1 π is quad II (between 90 and 180°)
etc.
isn't (5/7) greater than 1/2 but less than 1 ?
5pi/7 what quadrant is it in???
1 answer
3 answers