Ask your own question, for FREE!
Mathematics 7 Online
OpenStudy (anonymous):

Prove:

OpenStudy (anonymous):

\[Tan^2x - \cos^2x = 1/\cos^2 - 1 - \cos^2x\]

OpenStudy (lgbasallote):

can you rewrite that right side? is that \[\frac 1{cos^2 x - 1} - \cos ^2 x\]

OpenStudy (anonymous):

|dw:1352207602501: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!