1) sin 2x = √3/2 2) cos 3x = - 1/2 3) tg 2x = 1
1. 2x=(-1^n)п/3+пn x=(-1^n)п/6 + пn/2 2. 3x=+- 2п/3+ 2пn x=+- 2п/6+ 2пn/3 3. 2x=п/4+пn x=п/8+ пn/2