1. 3sin2x-7sinx+2 = 0) 2. 18sin2x-3cosx-8=0
3. 5tg2x-tgx-4 = 0
4. 2cosx+3sinx = 0
5.5cos2x-2cosx=0
6. Cos 7x-cosx=0
7. sin2x+5sinx = 0
8. sin2x-5cos2x= 0
9. 3cos2x+10sin2x-6 = 0
10. 7cos2x-10sinx-3 = 0
11. 5sin2x-1 1sin2x+3 = 0​

Irrishka2005    2   23.02.2021 20:37    13