[填空题]
Two polarizers are oriente;tfztabeed2q6ub 9vz ( s8ex(r0yf 2( d atg,i4ov ho:4 ptso97rb, s 1mug /ez(8voc ir/o 38.0$^{\circ}\,$ to one another. Light polarized at a 19.0$^{\circ}\,$ angle to each polarizer passes through both. What percent reduction in intensity takes place? %
