Question 895978
pi/3 radians multiplied by 180 / pi is equal to 60 degrees.


sine (60 degrees) is equal to sqrt(3)/2.


cosine (60 degrees) is equal to 1/2.


this is one of the common triangles whose trigonometric values you should know by heart. 


translate back to radians and you get 60 degrees * pi / 180 = pi/3 radians.


you end up with:


sine (pi/3) is equal to sqrt(3)/2.


cosine (pi/3) is equal to 1/2.


the translation from radians to degrees is:


degrees = radians * 180 / pi.


the translation from degrees to radians is:


radians = degrees * pi / 180.