Подстановка условия
[src](tan(x) + cot(x))*sin(2*x) при x = -3/2
(tan(x) + cot(x))*sin(2*x)
(tan(x)+cot(x))sin(2x) (tan((-3/2)) + cot((-3/2)))*sin(2*(-3/2))
(tan((−3/2))+cot((−3/2)))sin(2(−3/2)) (tan(-3/2) + cot(-3/2))*sin(2*(-3)/2)
(tan(−23)+cot(−23))sin(2−6) -(-cot(3/2) - tan(3/2))*sin(3)
−1(−1tan(23)+−1cot(23))sin(3)