Решите ) 1. arcsin(1/2) 2.arccos(-1) 3.arctg(-1)+arcsin(-1) - вопрос №112213114352162420233 от divaevaadila 17.04.2022 20:26

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)

divaevaadila · 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...