Ask your own question, for FREE!
Mathematics 14 Online
OpenStudy (anonymous):

what is cos-1 and sin square 3/2

OpenStudy (shamil98):

Look at the unit circle

OpenStudy (shamil98):

(cos,sin) cos -1 = 180 degrees or pi

OpenStudy (shamil98):

sin √-3/2 = 5pi/3 or 300 degrees

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!