Ask your own question, for FREE!
Trigonometry 19 Online
OpenStudy (anonymous):

verify identity: cot(x+y)cot(x-y)= (1-tan^2x tan^2y)/(tan^2x -tan^2y)

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!