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

Which of the following is not an identity? A. tan^2 x = sec^2 x - sin^2 x - cos^2 x B. (1+cos^2(x))/(sin^2(x))=1 C. (tanx + cotx)^2 = csc^2 x + sec^2 x D. (cosx + sinx)^2 = 1 + 2cosx sinx

OpenStudy (anonymous):

A

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!
Latest Questions
Arriyanalol: i need help
2 days ago 7 Replies 1 Medal
Arriyanalol: CONGRATS to me
2 days ago 8 Replies 2 Medals
Legomaster346: What colleges are good that are near Arab Alabama?
1 week ago 5 Replies 0 Medals
Arriyanalol: i need help
1 week ago 6 Replies 2 Medals
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!