Построить график y=sin11x/5*cos(x+10pi)/5-cos11x/5*sinx/5

Question

Построить график
y=sin11x/5*cos(x+10pi)/5-cos11x/5*sinx/5

Answer 1

Sin²α + cos²α = 1sin²α = 1 - cos²α = 1 - 9/25 = 0,64sin α = ± 0.8При π<α<3π/2,  sin α < 0</span> Ответ: sin α = - 0.8