1) arcsin(√3)/2 a) π/3 b) π/2 c) π/4 d) π/6 2) arccos(√2)/2 a) π/3 b) π/2 c) π/4 d) π/6 3) arctg1/(√3) a) π/3 b) π/2 c) π/4 d) π/6 4) arccos1/2 a) π/3 b) π/2 c) π/4 d) π/6 5) arcsin1/2 a) π/3 b) π/6 c) π/4 d) π/2 6) cosx=a a) x=± arccosa+πn, nϵΖ b) x=arccosa+2π, nϵΖ c) x=± arccosa+2πn, nϵΖ d) x=arccosa+2πn 7) sint=a a) t=(-1)k arcsina+πk,𝑘ϵΖ b) t=(-1) arcsina+πk,𝑘ϵΖ c) t=arcsina+πk,𝑘ϵΖ d) t=(-1)^k arcsina+πk,𝑘ϵΖ

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