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Verify cos^2(2t)+4sin^2(t) = 4sin^4(t)+1
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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
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