Find each funtion value, rounded correctly to 4 digits.

sin 239.25 degrees =____

Find the reference angle of each of the following correct to the nearest minute.

arc cosecant= 23.55 arc reference angle =________

Find each angle described below correct to the nearest minute.

arc secant= 3.291 90 degrees< arc< 180 degrees

I have little idea on these problems so can someone help me and show their work so i can finish rest on my own.