Ask Me Help Desk
(
https://www.askmehelpdesk.com/forum.php
)
-
Mathematics
(
https://www.askmehelpdesk.com/forumdisplay.php?f=199
)
- -
Verify cos^2(2t)+4sin^2(t) = 4sin^4(t)+1
(
https://www.askmehelpdesk.com/showthread.php?t=744413
)
Apr 15, 2013, 10:31 AM
Dan0655
Verify cos^2(2t)+4sin^2(t) = 4sin^4(t)+1
Math problem
Apr 15, 2013, 11:24 AM
ebaines
Hints:
(sin^2t + cos^2t)^2 = 1
cos^2(2t) = (cos^2t - sin^2t)^2
All times are GMT -7. The time now is
08:53 PM
.