How do you find the value of #sin((5pi)/12)#?
1 Answer
Jul 23, 2016
Actually it is very easy to find that
Explanation:
You use the formula for the sine of a sum:
Think of a pie divided into twelve slices. Three of them form one quarter, two more form one sixth of the pie. So, thinking of the "pie" as
With that in mind, put
Plug in the familiar values