Ask your own question, for FREE!
Mathematics 21 Online
OpenStudy (anonymous):

So half angle identities really are crucial huh I mean like I just realized cos(pi/24) is ±sqrt([1+cos(pi/12)]/2).... and for cos(pi/12) you cannot just substitute [(pi/6)/2], you've got to go through the whole half-angle identity THERE.

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!