Ask your own question, for FREE!
Mathematics 18 Online
OpenStudy (jskhupmang):

Hi I really need help. How to solve +-(√1+cos20°)÷2 . I have the answer. Help will medal and follow u if you show me the work.

OpenStudy (anonymous):

what type of math is this?

OpenStudy (jskhupmang):

algebra2 but also pre calc

OpenStudy (jskhupmang):

nevermind i got it now its Cos(x/2)=cos(20°/2) ans: cos10°

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!