The real number `pi/2` corresponds to the point (0,1) on the unit circle and
The real number 0 corresponds to the point (1,0) on the unit circle
We have a Math tutor online right now to help you!
To chat with a tutor, please set up a tutoring profile by creating an account and setting up a payment method. If you initiate a chat, please note you will be charged $0.50 a minute for tutoring time.