super47
Apr 14, 2013, 04:33 PM
cos t + cos 3t
sin 3t - sin t = cot t
for the answer I got -cot t=cot t
I don't know what I'm doing wrong
sin 3t - sin t = cot t
for the answer I got -cot t=cot t
I don't know what I'm doing wrong
View Full Version : Verify the identity solver