Question
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
Calculate the values of the three primary trigonmetric ratios, accurate to four decimal places.
Dont understand thissss
Answers
Steve
sin = x/r = -12/13
cos = y/r = -5/13
tan = y/x = 5/12
...
cos = y/r = -5/13
tan = y/x = 5/12
...
Steve
rats. I mixed up sin and cos.