Photos COS X П 3П

< Previous photo
Photo - 52
Next photo >
Cos x п 3п. Cos2x 3п/4. 2sin^2(2п-х)-5cos(п/2+x)+2=0. Cos(2x+п/3)=-1. Cos (2 * x - п/4) = -√2/2;.
Cos2x 3п/4. 2sin^2(2п-х)-5cos(п/2+x)+2=0. Cos(2x+п/3)=-1. Cos (2 * x - п/4) = -√2/2;.

See also