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

use an identity to express 20sin⁡(πt/4-π/2) in terms of cos⁡〖πt/4〗

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!