Arthur D. answered 12/14/15
Tutor
4.9
(296)
Mathematics Tutor With a Master's Degree In Mathematics
look on the unit circle
3pi/2=3*180/2=3*90=270º
sin(270º)=-1
Joy H.
asked 12/14/15Arthur D. answered 12/14/15
Mathematics Tutor With a Master's Degree In Mathematics
Get a free answer to a quick problem.
Most questions answered within 4 hours.
Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.