Question

(sinx+cosx)^3 * корень (1-x^2) = 0

Answer 1

$(sinx+cosx)^3sqrt{1-x^2}=0\\1.; ; sinx+cosx=0; |:cosxne 0\\tgx+1=0,tgx=-1\\x=-frac{pi}{4}+pi n,nin Z\\2.; ; 1-x^2=0,; x^2=1,\\x_2=-1,x_3=1$