SOLUTION: For the given value of t determine the reference angle t ' and the exact values of sin t and cos t. t = 4π/3 t '= radians sin t = cos t =

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Question 921132: For the given value of t determine the reference angle t ' and the exact values of sin t and cos t.
t = 4π/3
t '= radians
sin t =
cos t =
Answer by lwsshak3(11628) About Me  (Show Source):
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For the given value of t determine the reference angle t ' and the exact values of sin t and cos t.
t = 4π/3
t '= radians
sin t =
cos t =
***
reference angle t'=π/3 in quadrant III in which sin<0, cos<0
sin t=sin(π/3)=-√3/2
cos t=cos(π/3)=-1/2