tg t = -√3tg t = -√3t = -π/3 + πk, k - целое число
sin(π/2 + t) = √3/2cos t = -(√3)/2t = -π/6 + 2πk, k - целое число
(1-cos t)(ctg t + 1) = 0(1 - cos t)(1/t + 1) = 0(1 - cos t)(1 + t)/t = 0
cos t = 1t = 2πk, k - целое число
или
t + 1 = 0t = -1
tg t = -√3
tg t = -√3
t = -π/3 + πk, k - целое число
sin(π/2 + t) = √3/2
cos t = -(√3)/2
t = -π/6 + 2πk, k - целое число
(1-cos t)(ctg t + 1) = 0
(1 - cos t)(1/t + 1) = 0
(1 - cos t)(1 + t)/t = 0
cos t = 1
t = 2πk, k - целое число
или
t + 1 = 0
2cos^2 t - 1 = 0t = -1
cos^2 t = 1/2
cos t = ±√2/2
t = π/4 + 2πk, t = -π/4 + 2πk, k - целое число