Question

The given point lies on the terminal side of an angle ϴ in standard position. Find the value of the six trigonometric functions of ϴ.(2, -4)

Answer 1

Draw the point on the cartesian plane, then use the pythagorean theorem to find the longest side of the triangle made with the x-axis, then use your primary trig ratios first.
for instance sintheta = opp/hyp