Question

Use the given point on the terminal side of angle 0 to find the value of the trigonometric function indicated.

1)tan0;(10,-18)
2)tan0;(4,3)

Answer 1

1 is tan 0 = -18/10 = -9/5
2 is tan 0 = 3/4

In general, an angle with a terminal side on the point (x, y) the tan of that line is the fraction y/x