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I need help solving 12...

I need help solving 12 trigonometric equations, with solutions/work shown

1. Cos2x+SinX=1

2. 4sinx=3cscx

3. 2cos^2x-9cosx-5=0

4. Sec^2x-5tanx+3=0

5. 2cos^2x-9cosx-5=0

6. 2tanx sinx - sqrt3 tanx=0

7. Sin2x cosx=0

8. 1-cosx/sinx=1

9. 2sin^2x+7cosx-5=0

10. 9sin^2x+1/6sinx=1

11. sin2x=4sinx

12. 2tan^2x-3secx+3=0

1. Cos2x+SinX=1

2. 4sinx=3cscx

3. 2cos^2x-9cosx-5=0

4. Sec^2x-5tanx+3=0

5. 2cos^2x-9cosx-5=0

6. 2tanx sinx - sqrt3 tanx=0

7. Sin2x cosx=0

8. 1-cosx/sinx=1

9. 2sin^2x+7cosx-5=0

10. 9sin^2x+1/6sinx=1

11. sin2x=4sinx

12. 2tan^2x-3secx+3=0

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