The placebo effect, because one group believes they are receiving a new prescription but they are actually taking the same prescriptions they always have. This can also be called a single blind experiment because the test subjects do not know which group they are in (or that there are two groups most likely), but the psychologist(s) know who is taking which prescription/who is in which group.
4 sinx / cosx * cosx
4 tanx / cosx Trig identity tanx = sinx/cosx
Response questions genuinely focus on gathering opinions from the readers on what they think about the work, without mentioning the author's or any other person stated inside the stories's view. However, this does not mean that the reader cannot agree to the author
hope this helps
The answer is B. 50 feet. Also the license plate has to be clean.
