Ask your own question, for FREE!
Mathematics 17 Online
OpenStudy (anonymous):

Help Please!! Given sin A = 2/3 and cos B = -1/2, where A is in quadrant 2 and B is in quadrant 3, find sin(A+ B), cos(A-B), and tan(A-B)

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!