Вопрос от посетителя:
sin(3.14/6+x)*cos x – cos(3.14/6+x)*sin x
Илюха отвечает:
sin(π/6 + x) * cos x – cos (π/6 + x) * sin x = sin ((π/6 + x) – x) = sin π/6 = 1/2
sin(3.14/6+x)*cos x – cos(3.14/6+x)*sin x
sin(π/6 + x) * cos x – cos (π/6 + x) * sin x = sin ((π/6 + x) – x) = sin π/6 = 1/2