Photos SINX COSX

< Previous photo
Photo - 17
Next photo >
Sinx cosx. Решите уравнение cos2x-sin2x=cosx+sinx+1. 1 Cos x sin x sin x/2. Sin x x cos x. Sinx sin2x.
Решите уравнение cos2x-sin2x=cosx+sinx+1. 1 Cos x sin x sin x/2. Sin x x cos x. Sinx sin2x.

See also