Вычислите а)sin1845градусов б)tg 17П\4 - дробь

Question

Вычислите
а)sin1845градусов
б)tg 17П\4 - дробь

Answer 1

Sin1845°=sin(5*360°+45°)=sin45°=√2/2
tg(17π/4) = tg(16π/4 + π/4) = tg(4π + π/4) = tg(π/4) =1