Posted by Natalie on Sunday, April 7, 2013 at 1:42pm.
What value(s) of theta (0 less than or equal to theta less than or equal to 2pi) solve the following equation: cos squared theta  cos theta  6 = 0

Precalc with Trig  Reiny, Sunday, April 7, 2013 at 3:49pm
cos^2 Ø  sin^2 Ø = 6
cos 2Ø = 6
no solution, the cosine of anything cannot be greater than 1
do you have a typo?

Precalc with Trig  Natalie, Sunday, April 7, 2013 at 5:23pm
No, I don't just my professor trying to trick us, thanks for the help!
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