Find sin ( u 2 ) if cos u = 0.277 and u is in Quadrant-IV (assume that 0

Question

Find     sin ( u 2 )     if     cos u = 0.277     and   u   is in Quadrant-IV (assume that   0 < u < 2 π  ). sin ( u 2 ) =

Richard C. · Accepted Answer

Kendra,Are you asking about u squared (u^2) or are you asking about twice u (2u) ?

Find sin ( u 2 ) if cos u = 0.277 and u is in Quadrant-IV (assume that 0 < u < 2 π ). sin ( u 2 ) =