Use a calculator to solve for theta in the given interval.

Sec theta=-4.0545, for 0<_theta<_2pi

Ineed to know the answer right now! !

The random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?