Ask your own question, for FREE!
Mathematics 22 Online
OpenStudy (anonymous):

find the exact value of 2 sin (pi/9) cos (pi/9)

geerky42 (geerky42):

Good luck; I bet it would takes a long time to find exactly value since WolframAlpha doesn't show the exactly value.

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!