Trigonometry
posted by Edan on .
1.Using exact values, verify that
cos 60°=12 sin² 30°

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 
This is exacly how the question goes, This is a test question.
1.Using exact values, verify that
cos 60°=12 sin² 30°