Posted by Courtney on .
if P(4,1) is a point on the terminal side of angle (theta), in standard position, then what is the exact value of csc (theta)?

trig 
Reiny,
Did you make a sketch?
from (4,1), x = 4, y = 1, hypotenuse = √17
csc(theta) = 1/sin(theta)
simple from here.