Question

Find the exact value:
(pi)/12

I believe the formula needed is a sum and difference formula but I'm not sure. (Trig problem)

Answer 1

in terms of sine and cosine/ ?

Answer 2

pi=180(in trigonometry)
pi/12=180/12=15 degree

Answer 3

half angle formula, as it is half of \(\frac{\pi}{6}\)