find the value for the indicated trig function for ø, if ø is an angle in standard position with the terminal side defined by the given point. (18,24); find cos ø

Answer 1

recall that cosine = x/r
And, r^2 = x^2+y^2

Answer 2

r^2 = 18^2+24^2
..
r = 30

cosØ = x/r = 18/30 = 3/5