помогите пожалуйста:
sin 6x cos x + cos 6x sin x = 1/2
sin 6x cos x + cos 6x sin x =sin(6x+x)=sin7x
sin 7x = 1/2
7x = (-1)^n (pi/6)+pin
x = (-1)^n (pi/42) + pin/7
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sin 6x cos x + cos 6x sin x =sin(6x+x)=sin7x
sin 7x = 1/2
7x = (-1)^n (pi/6)+pin
x = (-1)^n (pi/42) + pin/7