Ask your own question, for FREE!
Mathematics 10 Online
OpenStudy (anonymous):

I need help. My worksheet says to evaluate the expression without using a calculator. here is the problem: arccos (-√3/2) I know the answer is 5π/6 but im having trouble finding out how my teacher got the 5.

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!