1) (1-4sinx*cosx)*(sin6x-1)=0 2) (корень из 3-2sinx)*

1. (1-4sinx*cosx)*(sin6x-1)=0 (1-4sin (x) cos (x) (sin (6x) -1)=0 (sin (6x) -1) (- (4sin (x) cos (x) -1)=0sin (6x)+4sin (x) cos (x) — 4sin (6x) sin (x) cos (x) -1=02sin (2x)+sin (6x) — cos (4x)+cos (8x) -1=0x≈2. (3,14159n — 1,4399) n ∈ Zx≈2. (3,14159n — 0,916298) n ∈ Zx≈2. (3,14159n+0,1309) n ∈ Zx≈2. (3,14159n+0,654498) n ∈ Zx≈0,0833333 (12,5664n+3,14159) n ∈ Z