а) t = π/sin(π/6) = 1/cos(π/6) = √3/2
б) t = π/sin(π/2) = cos(π/2) = 0
в) t = 5π/sin(5π/4) = -√2/cos(5π/4) = -√2/2
г) t = -π/sin(-π/3) = -√3/cos(-π/3) = 1/2
а) t = π/
sin(π/6) = 1/
cos(π/6) = √3/2
б) t = π/
sin(π/2) =
cos(π/2) = 0
в) t = 5π/
sin(5π/4) = -√2/
cos(5π/4) = -√2/2
г) t = -π/
sin(-π/3) = -√3/
cos(-π/3) = 1/2