got me. can't think of a trick that will reduce that number (degrees or radians!) without using a calculator.
I can tell you right off that no trig function of a rational number of radians will come out to an easy value.
As for degrees, well -38888 is equivalent to -8, but I don't know a handy value for that.
without using calculator,
find the Value of following is
cosec(-38888)
1 answer