Решите ) 1. arcsin(1/2) 2.arccos(-1) 3.arctg(-1)+arcsin(-1) - вопрос №2420910112213114352 от temirlanrashid 14.03.2020 18:51

Question

Алгебра: Решите ) 1. arcsin(1/2) 2.arccos(-1) 3.arctg(-1)+arcsin(-1) 4.tgx=(-√ 3) 5.cos2x=1 6.sin(x+п/4)=√2/2 , надо)

temirlanrashid · Answer

1)π/62)π3)-π/4-π/2=-3π/44)х=-π/3+πn5)2x=2πn⇒x=πn6)x+π/4=(-1)^n*π/4+πnx=-π/4+(-1)^n*π/4+πn=(-1)^n+1*π/4+πn...