Ask your own question, for FREE!
Mathematics 15 Online
OpenStudy (anonymous):

Find tan2A when cosA = -3/5 and π/2

OpenStudy (mertsj):

\[\tan 2A=\frac{2\tan A}{1-\tan ^2A}\]

OpenStudy (mertsj):

|dw:1384053780202:dw|

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!