1. cos x/2 - sin^2 x = cos^2 x
2. sin 5x + 2sin^2 5x = 0
3. 3tg 2x - √3 = 0
4. 2cos^2 x + 3cos x = 2
5. cos^2 x + 2sin x * cos x + 5sin^2 x = 2
6. cos^4 4x - sin^4 4x = √2/2

Lkjgcvb    3   06.11.2019 10:50    0