Ask your own question, for FREE!
Mathematics 20 Online
OpenStudy (mathteacher1729):

Are you having trouble evaluating trig functions? sin(pi/2), cos(pi/4), etc. Here is a short youtube playlist about it: http://www.youtube.com/mathteacher1729#g/c/9FE48FF0B7A3E3F4 Hope this helps all you trig students. :) (or helps those who need to brush up on trig for calc, etc.)

OpenStudy (anonymous):

Cool Channel! Good Luck

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!