Which expression is equivalent to 3cos2(startfraction theta over 2 endfraction) minus 3?.

it was like a 9

this isn't a question, nor is it appropriate for this web site

explanation:

you can't just go around joking about this kind of stuff.

answer: the mildest forms of push polling are designed merely to remind voters of a particular issue. for instance, a push poll might ask respondents to rank candidates based on their support of an issue in order to get voters thinking about that issue. many push polls are negative attacks on other candidates.