Posted by Edan on Thursday, November 5, 2009 at 6:38pm.
1.Using exact values, verify that
cos 60°=12 sin² 30°

Trigonometry  bobpursley, Thursday, November 5, 2009 at 6:47pm
I am not certain what I am seeing.
Is it
cos^2 60=12sin^2 30 ?
3/4=?=12*1/4
so it doesn't verify...so I must not be seeing the type clearly

Trigonometry  Edan, Friday, November 6, 2009 at 12:01am
This is exacly how the question goes, This is a test question.
1.Using exact values, verify that
cos 60°=12 sin² 30°
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