## anonymous 3 years ago Find the exact value: (pi)/12 I believe the formula needed is a sum and difference formula but I'm not sure. (Trig problem)

1. UnkleRhaukus

in terms of sine and cosine/ ?

2. anonymous

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

3. anonymous

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