<p>Is this true? It says that those formulas were taken out of Barrons when it was updated. Has anyone encountered these on a real CB test?</p>
<p>i took a practice college board test and i found a question on it but i’m not sure if it will be on the jun 2010 one because the test i took is 2008. but still it doesnt hurt to study them</p>
<p>I was wondering the same thing. I’ve been looking through Barrons and they do cover double angles though, so I guess if it was necessary they would have reviewed half-angles then as well, but that’s just me.</p>
<p>Double angle is def. on it. But I’m still wondering about the other annoying formulas</p>
<p>@thatscool… where did you get that practice test?</p>
<p>bumpppppppp</p>
<p>this test prep center that i go to has some copies that they pay for so yeah</p>
<p>Double angle was on my test in May.</p>
<p>Why don’t you guys just write it into your calculator?</p>
<p>well you really dont need to know the formulas for the exam.
It’s much easier to simply substitue values in for variables.</p>
<p>Or then again you could always put the forumulas into programs on your graphing calculator. lol</p>
<p>Yup there was a double angle one on the may test.</p>
<p>But it really is not necessary to know the formulas; it is usually just easier to use youir calulator, even though it may take more time.</p>