21-3= 18 and 18 divided by 6 equals 3 so v=3
Sin 0 sin 3pi/2 and tan pi
cos pi/2 is -.5
cos 0 is 1
<h2><em>
Hello ! :)</em></h2>
<h3>I found this on google..</h3>
<h2><u>"The nerve cells have branches connecting them to other cells in a complicated network. Communication between these brain cells is what allows us to think and solve problems. When you learn new things, these tiny connections in the brain actually multiply and get stronger."</u></h2>
