Need Help:Inverse Trigonmetry Ratios

How do I do these trig ratio's, and what formulas is the easiest, thanks..

Find all the angles x that satisfy the following equations;0˚ ≤ X < 360˚ Show your work:

1)sin(x)=0.4478.........................x=________ __and___________

2)cot(x)=-2.112........................x=__________and______ _____

3)csc(x)=5.2145........................x=_________ _and___________

4)cos(x)=0.7884........................x=_________ _and___________

5)sec(x)=-1.4557........................x=__________and_____ ______

6)cos(x)=-0.2298........................x=__________and_____ ______

7)sin(x)=-1.00 ........................x=__________and___________

8)tan(x)=0.6678........................x=_________ _and___________

9)sin(x)=0.0000........................x=_________ _and___________

10)cot(x)=0.8897........................x=________ __and___________

11)csc(x)=-2.0021........................x=__________and_____ ______

12)sin(x)=-0.1124........................x=__________and_____ ______

13)cos(x)=0.0000........................x=________ __and___________

14)tan(x)=-3.000........................x=__________and______ _____

15)cos(x)=1.000........................x=_________ _and___________

16)sec(x)=2.4012........................x=________ __and___________