For the angle shown is a point given on its terminal arm. [picture shows -12, -5 in quadrant three of the unit circle].

Calculate the values of the three primary trigonmetric ratios, accurate to four decimal places.

Dont understand thissss

2 answers

sin = x/r = -12/13
cos = y/r = -5/13
tan = y/x = 5/12
...
rats. I mixed up sin and cos.
Similar Questions
    1. answers icon 0 answers
  1. The angle 60 is shown below in standard position, together with a unit circle.The image shows a unit circle and a right triangle
    1. answers icon 1 answer
    1. answers icon 1 answer
  2. The angle 60is shown below in standard position, together with a unit circle. A circle with a radius of 1 is shown with its
    1. answers icon 1 answer
more similar questions