1. sinx = 0;

2. 2tg3x = 0;

3. 2cosx = 1;

4. 2sin(2x – 4π) =−√;

5. cos22x = 2;

6. 1 – sin2x = 0;

7. 2cos2x -5cosx – 3 = 0;

8. 3sin2x + 7cosx – 3 = 0;

9. 2tg23x – 3tg3x + 1 = 0;

10.(1 – cos2x)(сtg(-2x) +√3 ) = 0.

STARBOY47    2   08.05.2020 19:17    35