Ask your own question, for FREE!
Mathematics 13 Online
OpenStudy (anonymous):

sinx=3/5, x lies in quadrant 1, and siny=5/13, y lies in quadrant 2 *give the exact value according to cos(x+y), sin(x+y) and tan(x+y) *** I just want to know how to solve it, can someone give me the basic steps?

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!