Question

1)sin(x-pi/4)=1

2)sin(x/4)*cos(x/4)=-1/4

3)(cos2x+cospi/4)*(cos2x+4)=0  {0;Pi}

4)sqrt3cosX+sin2x=0

5)sinx+sin5x=0

6)sin^2x-0.5sin2x=0

7)sin2x+sin6x=cos2x

8)3sin^2x+3cosx*sinx+2cos^2x=1

 

Answer 1

Решение в приложении...