I disagree because we all know that the earth isn't flat and way back when when this happend they didn't had all of the tecnolgy that we have today so then how did he think that the earth was flat even though after the one persons presentation of the earth that he was still questioning the person that was giving the presentation.
Cos(pi/2 - x) = sin(x). sec(x) = 1/cos(x), so the left side would be sinx/cosx = tanx. So it checks out.
<span>1) The process by which one group takes on the cultural and other traits of a larger group is called integration
</span><span>2). Chinatown in San Francisco and Little Havana in Miami are examples of
</span>culture