Question

what angle in radians corresponds to 3 rotations around the unit circle
Steve
well, since 1 rotation is 2π, can you not figure out three rotations?

By the way, it holds for any circle, not just the unit circle.
Anonymous
it would be 3.8908907898259074882967859041789067280969085910894286942859108694208694108590482695287695245819058198905158942386905487693405289436573459839677943085694034589206784390754813975841376894105903218952386928369562867582459018594023859428928692865490819081985183291849321849318592438602376834527654264320