Asked by Laurian

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

Answers

Answered by Steve
sin = x/r = -12/13
cos = y/r = -5/13
tan = y/x = 5/12
...
Answered by Steve
rats. I mixed up sin and cos.
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